Title |
Category |
Author(s) |
Year |
Link |
File |
2D Least Squares Matching Applied to PIV Challenge Data Part 1 |
Scientific Paper |
J. Kitzhofer, F. G. Ergin, V. Jaunet |
2012 |
|
PDF |
3-D least squares matching for volumetric velocimetry data processing |
Scientific Paper |
Patrick Westfeld, Hans-Gerd Maas, Oliver Pust, Jens Kitzhofer, Christoph Brücker |
2010 |
|
PDF |
4D analysis of flow around a Tumbling Ring-Type Particle using Scanning PIV and 3D Least Squares Matching |
Scientific Paper |
Hess D., Sastuba M., Kitzhofer J., Brücker Ch. |
2013 |
|
PDF |
A Determination of Local Strain Distribution at the Level of the Constituents of Particle Reinforced Composite: An Experimental and Numerical Study |
Scientific Paper |
Witold Ogierman and Grzegorz Kokot |
2020 |
|
PDF |
A global concept of autocorrelation and power spectral density estimation from LDA data sets |
Scientific Paper |
H. Nobach |
2000 |
|
PDF |
A hybrid phase boundary detection technique for two-phase-flow PIV measurements |
Scientific Paper |
F. Gökhan Ergin, Jimmy Olofsson, Per Petersson, Nicolai Fog Gade-Nielsen |
2020 |
ScienceDirect |
|
A New and Direct R-Value Measurement Method of Sheet Metal Based on Multi-Camera DIC System |
Scientific Paper |
Siyuan Fang, Xiaowan Zheng, Gang Zheng, Boyang Zhang, Bicheng Guo and Lianxiang Yang |
2021 |
|
PDF |
A Review of Planar PIV Systems and Image Processing Tools for Lab-On-Chip Microfluidics |
Scientific Paper |
F. Gökhan Ergin, Bo Beltoft Watz Nicolai Fog Gade-Nielsen |
2018 |
mdpi |
|
Adaptive sampling in two dimensions for point-wise experimental measurement techniques |
Scientific Paper |
R. Theunissen, P. Gjelstrup |
2018 |
|
PDF |
Additive Manufacturing of Plastics Used for Protection against COVID19—The Influence of Chemical Disinfection by Alcohol on the Properties of ABS and PETG Polymers |
Scientific Paper |
Krzysztof Grzelak, Julia Łaszcz, Jakub Polkowski, Piotr Mastalski, Janusz Kluczynski, Jakub Łuszczek, Janusz Torzewski, Ireneusz Szachogłuchowicz and Rafał Szymaniuk |
2021 |
|
PDF |
An automatic static masking technique using Particle Image Velocimetry image ensembles |
Scientific Paper |
F. Gökhan Ergin |
2021 |
sciencedirect.com |
|
An Improved Image Processing Method for Particle Characterization by Shadowgraphy |
Scientific Paper |
Hua Wang, Francisco Felis, Severine Tomas, Fabien Anselmet, Muriel Amielh |
2017 |
ILASS 2017 |
|
An ossifying bridge – on the structural continuity between the Achilles tendon and the plantar fascia |
Scientific Paper |
Johann Zwirner, Ming Zhang, Benjamin Ondruschka, Keichi Akita & Niels Hammer |
2020 |
|
PDF |
Analysis of Strain Field Heterogeneity at the Microstructure Level and Inverse Identification of Composite Constituents by Means of Digital Image Correlation |
Scientific Paper |
Witold Ogierman and Grzegorz Kokot |
2020 |
|
PDF |
Analysis of the isothermal transition process in wide aspect ratio rectangular channels |
Scientific Paper |
Laurentiu Moruz, Jens Kitzhofer, David Hess, Mircea Dinulescu |
2019 |
ScienceDirect |
|
Analysis of the isothermal transition process in wide aspect ratio rectangular channels |
Scientific Paper |
Laurentiu Moruz, Jens Kitzhofer, David Hess, and Mircea Dinulescu |
2019 |
Sciencedirect |
PDF |
Application of a two-phase PIV to the magnetic micro-convection |
Scientific Paper |
Guntars Kitenbergs , F. Gökhan Ergin |
2020 |
Link |
|
Application of Digital Image Correlation (DIC) Method for Road Material Testing |
Scientific Paper |
Jarosław Górszczyk, Konrad Malicki and Teresa Zych |
2019 |
|
PDF |
Application of High Performance Computing on Volumetric Velocimetry Processing |
Scientific Paper |
Thomas Nonn |
2010 |
|
PDF |
Application of High Speed Digital Image Correlation for Vibration Mode Shape Analysis |
Scientific Paper |
Thorsten Siebert, Matt J. Crompton |
2010 |
|
PDF |
Application of Laser Doppler Anemometry to estimate turbulent power spectra inside an urban canopy |
Scientific Paper |
Sophie Herpin, Laurent Perret, Romain Mathis, Christian Tanguy, Jean-Jacques Lasserre |
2018 |
|
PDF |
Baseline measurements for testing of improved triple-sensor hot-wire anemometer probe in a momentum conserving turbulent round jet |
Scientific Paper |
F. Gökhan Ergin, Clara M. Velte |
2017 |
|
PDF |
Biomechanical characterization of human temporal muscle fascia in uniaxial tensile tests for graft purposes in duraplasty |
Scientific Paper |
Johann Zwirner, Benjamin Ondruschka, Mario Scholze, Gundula Schulze‑Tanzil & Niels Hammer |
2021 |
|
PDF |
Combined 3D Scanning PIV and Scanning LIF for flow and phase transfer measurements around a melting particle |
Scientific Paper |
Hess D, Brücker Ch, Nonn Th. |
2013 |
|
PDF |
Comparative study of optical experimental methods for micro-bubble sizing |
Scientific Paper |
R. Boucheron, V. Aumelas, M. Donnet, D. Fréchou, A. Poidatz |
2018 |
|
PDF |
DIC in Validation of boundary conditions of numerical model of reinforded concrete beams under torsion |
Scientific Paper |
B. TUROŃ, D. ZIAJA, L. BUDA-OŻÓG, B. MILLER |
2018 |
|
PDF |
Digital Image Correlation Comparison of Damaged and Undamaged Aeronautical CFRPs During Compression Tests |
Scientific Paper |
Claudia Barile, Caterina Casavola and Giovanni Pappalettera |
2019 |
|
PDF |
Dissertation |
Scientific Paper |
Prof. Dr.- Ing. habil. Christoph Brücker |
2011 |
|
PDF |
Dynamic Masking Application Examples in Two-Phase Flow PIV Measurements |
Scientific Paper |
F. Gökhan Ergin, Jimmy Olofsson, Bo B. Watz, Nicolai Fog Gade-Nielsen |
2018 |
|
PDF |
Dynamic masking techniques for Particle Image Velocimetry |
Scientific Paper |
F. Gökhan Ergin, Dantec Dynamics A/S |
2017 |
|
PDF |
Effect of abrasion and biofouling on aerodynamic performance of industrial surface coatings |
Scientific Paper |
F. Gökhan Ergin |
2017 |
|
PDF |
Effect of aviation fuel temperature on refractive index in droplet size measurement using phase Doppler anemometry |
Scientific Paper |
Reza Alidoost Dafsari, Foad Vashahi, Rakhul Chandrahasan and Jeekeun Lee |
2019 |
Measurement Science and Technology |
|
Effect of Reynolds number on the Turbulent Flow Structure in the near-wall region of an Impinging Round Jet |
Scientific Paper |
Khaled J. Hammad, Ivana Milanovic |
2011 |
|
PDF |
Estimation of 3D deformation and rotation rate tensor from volumetric particle data via 3D least squares matching |
Scientific Paper |
J. Kitzhofer, P. Westfeld, O. Pust, T. Nonn, H. G. Maas, C. Brücker |
2010 |
|
PDF |
Evaluation of Selected Properties of Sodium Alginate-Based Hydrogel Material—Mechanical Strength, μDIC Analysis and Degradation |
Scientific Paper |
Jagoda Kurowiak, Agnieszka Mackiewicz, Tomasz Klekiel and Romuald Będziński |
2022 |
|
PDF |
Experimental Investigation of Jet Impingement by Stereo PIV |
Scientific Paper |
Hua Wang, F. Gökhan Ergin |
2014 |
|
PDF |
Experimental study exploring the factors that promote rib fragility in the elderly |
Scientific Paper |
Christian Liebsch, Shamila Hübner, Marco Palanca, Luca Cristofolini & Hans‑Joachim Wilke |
2021 |
|
PDF |
Experimental verification of novel spectral analysis algorithms for Laser Doppler Anemometry data |
Scientific Paper |
P. Gjelstrup, H. Nobach, F.E. Jørgensen, K. E. Meyer |
2000 |
|
PDF |
Flow field measurements during microorganism locomotion using MicroPIV and dynamic masking |
Scientific Paper |
F. Gökhan Ergin |
2015 |
|
PDF |
Flow visualization of a forming droplet in a micro channel with FlexPIV |
Scientific Paper |
M.R. Duxenneuner, O. Pust, P. Fischer, E.J. Windhab, J.J. Cooper-White |
2009 |
|
PDF |
Flying PIV measurements in a driven IC engine flow |
Scientific Paper |
Mario Koehler, David Hess, Christoph Kratzsch, Christoph Brücker |
2014 |
|
PDF |
High-Resolution Planar Two-Component PTV Measurements in a Breaking Wave |
Scientific Paper |
Malene H. Vested, F. Gökhan Ergin, Stefan Carstensen, Erik D. Christensen |
2018 |
|
PDF |
How the Thermomechanical Processing Can Modify the High Strain Rate Mechanical Response of a Microalloyed Steel |
Scientific Paper |
Remigiusz Błoniarz, Janusz Majta, Bogdan Rutkowski, Grzegorz Korpała, Ulrich Prahl, Jacek Janiszewski and Paulina Lisiecka-Graca |
2021 |
|
PDF |
Hydrodynamics of Euglena Gracilis during locomotion |
Scientific Paper |
F. Gökhan Ergin |
2021 |
Springer |
|
Ignition, Flame Growth and Extinction in Premixed Combustion Dominated by a Strongly Oscillating Flow Field |
Scientific Paper |
Jimmy Olofsson, Sven-Inge Möller, Annika Lindholm, Johan Hult, Marcus Aldén |
2011 |
|
PDF |
Imaging of Gasoline-like Sprays with Planar Laser-induced Exciplex Fluorescence using a Stereoscopic Imaging System |
Scientific Paper |
Mats Andersson, Akichika Yamaguchi, Hua Wang |
2017 |
ILASS 2017 |
|
Influence of Aluminum Surface Treatment on Tensile and Fatigue Behavior of Thermoplastic-Based Hybrid Laminates |
Scientific Paper |
Selim Mrzljak, Maik Trautmann, Guntram Wagner and Frank Walther |
2020 |
|
PDF |
Investigation of Snake Robot Locomotion Possibilities in a Pipe |
Scientific Paper |
Ivan Virgala, Michal Kelemen, Pavol Božek, Zdenko Bobovský, Martin Hagara, Erik Prada, Petr Oščádal and Martin Varga |
2020 |
|
PDF |
Investigation on computed pressures from PIV, a study of how boundary definitions affect pressure accuracy along objects on the example of a cylinder flow. |
Scientific Paper |
Francisco Felis-Carrasco, David Hess, Bo Beltoft Watz, Miguel Alfonso Mendez |
2021 |
ISPIV |
|
Kinematics of the Lumbo–Pelvic Complex under Different Loading Conditions |
Scientific Paper |
Martin Weidling, Christian Voigt, Toni Wendler, Martin Heilemann, Michael Werner, Jan-Sven Jarvers and Christoph-E. Heyde |
2019 |
|
PDF |
Length Scales and Time Scales of a Heated Shock-wave/Boundary-Layer Interaction |
Scientific Paper |
V. Jaunet, J. F. Debiève and P. Dupont |
2012 |
|
PDF |
Liquid jet impingement on a free liquid surface: PIV study of the turbulent bubbly two-phase flow |
Scientific Paper |
Khaled J. Hammad |
2010 |
|
PDF |
Load‑sharing biomechanics of lumbar fixation and fusion with pedicle subtraction osteotomy |
Scientific Paper |
Luigi La Barbera, Hans‑Joachim Wilke, Maria Luisa Ruspi, Marco Palanca, Christian Liebsch, Andrea Luca, Marco Brayda‑Bruno, Fabio Galbusera & Luca Cristofolini |
2021 |
|
PDF |
Long-Distance MicroPIV Measurements of a Commercial Aircraft Model at low Reynolds Number |
Scientific Paper |
F. Gökhan Ergin, Nafiz Alemdaroğlu |
2014 |
|
PDF |
Magnetic field driven micro-convection in the Hele-Shaw cell |
Scientific Paper |
K. Ērglis, A. Tatulcenkov, G. Kitenbergs, O. Petrichenko, F. G. Ergin, B. B. Watz, A. Cebers |
2013 |
|
PDF |
Measurement of turbulent skin friction drag coefficients produced by distributed surface roughness of pristine marine coatings |
Scientific Paper |
Frederik Zafiryadis, Knud Erik Meyer, F. Gökhan Ergin |
2017 |
|
PDF |
Measurements in an IC-engine Flow using Light-field Volumetric Velocimetry |
Scientific Paper |
T. Nonn, J. Kitzhofer, D. Hess, Ch. Brücker |
2012 |
|
PDF |
Measurements of micro-mushroom patterns in a magnetic micromixer |
Scientific Paper |
F. Gökhan Ergin |
2016 |
|
PDF |
Mechanical Properties Analysis of the AA2519-AA1050-Ti6Al4V Explosive Welded Laminate |
Scientific Paper |
Ireneusz Szachogluchowicz, Lucjan Sniezek, Tomasz Slezak, Janusz Kluczynski, Krzysztof Grzelak, Janusz Torzewski and Teresa Fras |
2020 |
|
PDF |
Mechanical, Chemical, and Processing Properties of Specimens Manufactured from Poly-Ether-Ether-Ketone (PEEK) Using 3D Printing |
Scientific Paper |
Maciej Mrówka, Tomasz Machoczek, Paweł Jureczko, Kamil Joszko, Marek Gzik, WojciechWolanski and Krzysztof Wilk |
2021 |
|
PDF |
Methodological aspects of using high-speed cameras to quantify soil splash phenomenon |
Scientific Paper |
M.Beczek, M.Ryżak, A.Sochan, C.Polakowski, D.Hess, A.Bieganowski |
2020 |
Science Direct |
|
Micromechanical Characterisation of Ni/PUHybrid Foams |
Scientific Paper |
Martin Reis, Kristian König, Stefan Diebels and Anne Jung |
2020 |
|
PDF |
Modal analysis of concentration information in a magnetic micromixer |
Scientific Paper |
F. Gökhan Ergin, Guntars Kitenbergs, Andrejs Cebers |
2022 |
|
PDF |
Modal analysis of magnetic microconvection |
Scientific Paper |
F.G. Ergin, B.B.Watz, K.Erglis, A.Cebers |
2014 |
MHD |
|
Modal Investigation of Vortex Ring Shedding from an Oscillating Disc |
Scientific Paper |
F. Gökhan Ergin |
2021 |
|
|
Multicomponent and Unsteady Velocity Measurements of Transient Disturbances |
Scientific Paper |
F. Gökhan Ergin, Edward B. White |
2005 |
|
PDF |
Multiscale proper orthogonal decomposition (mPOD) of TR-PIV data—a case study on stationary and transient cylinder wake flows |
Scientific Paper |
M A Mendez, D Hess, B B Watz and J-M Buchlin |
2020 |
|
|
Non-Contact 3D Deformation and Strain Measurements using Digital Image Correlation for Biomedical Applications |
Scientific Paper |
T. Rusin, C. Weissman |
2019 |
|
PDF |
Optical strain measurement for the modeling of surgical meshes and their porosity |
Scientific Paper |
Andreas J. Horbach and Manfred Staat |
2018 |
|
PDF |
Particle Size and Velocity Measurements using Light-Field Velocimetry |
Scientific Paper |
T. Nonn, V. Jaunet, C. Weissman |
2012 |
|
PDF |
Phase Separated PIV Measurements Using Phase Boundary Detection |
Scientific Paper |
F. Gökhan Ergin, Jimmy Olofsson, Nicolai Fog Gade-Nielsen |
2017 |
|
PDF |
PIV accuracy improvement near stationary walls using interrogation window masking |
Scientific Paper |
F. Gökhan Ergin |
2017 |
|
PDF |
PIV study of the near-field region of a turbulent round jet |
Scientific Paper |
Ivana M. Milanovic, Khaled J. Hammad |
2010 |
|
PDF |
Pixel-accurate dynamic masking and flow measurements around small breaststroke-swimmers using long-distance MicroPIV |
Scientific Paper |
F.G. Ergin, B. B. Watz, N. Wadhwa |
2015 |
|
PDF |
Planar velocity and concentration measurements in a magnetic micromixer with interface front detection |
Scientific Paper |
F. Gökhan Ergin, Bo Beltoft Watz, Kaspars Erglis, Andrejs Cebers |
2013 |
|
PDF |
Poor-Contrast Particle Image Processing in Micro Scale Mixing |
Scientific Paper |
F. Gökhan Ergin, Bo Beltoft Watz, Kaspars Erglis. Andrejs Cebers |
2010 |
|
PDF |
Prestressing low clinker structural concrete elements by ultra-high modulus carbon fibre reinforced polymer tendons |
Scientific Paper |
Tobias Dominik Lämmlein, Janis Justs, Giovanni Pietro Terrasi, Pietro Lura |
2020 |
|
PDF |
Rapid 3D velocity reconstruction from volumetric particle fields via re-slicing and recombination |
Scientific Paper |
Christoph Brücker, Thomas Nonn |
2012 |
|
PDF |
Research on the Properties and Low Cycle Fatigue of Sc-Modified AA2519-T62 FSW Joints |
Scientific Paper |
Robert Kosturek, Lucjan Śnieżek, Janusz Torzewski, Tomasz Ślęzak, Marcin Wachowski and Ireneusz Szachogłuchowicz |
2020 |
|
PDF |
Revisiting velocity, concentration and interface measurements in a magnetic micromixer |
Scientific Paper |
F. Gökhan Ergin, Guntars Kitenbergs, Andrejs Cebers |
2019 |
|
PDF |
Simultaneous high-speed PIV and OH PLIF measurements and modal analysis for investigating flame-flow interaction in a low swirl flame |
Scientific Paper |
Per Petersson, Rikard Wellander, Jimmy Olofsson, Henning Carlsson, Christian Carlsson, Bo Beltoft Watz, Nicolas Boetkjaer, Mattias Richter, Marcus Aldén, Laszlo Fuchs, Xue-Song Bai |
2012 |
|
PDF |
Simultaneous high-speed PIV and OH PLIF measurements and modal analysis for investigating flame-flow interaction in a low swirl flame |
Scientific Paper |
Per Petersson, Rikard Wellander, Jimmy Olofsson, Henning Carlsson, Christian Carlsson, Bo Beltoft Watz, Nicolas Boetkjaer, Mattias Richter, Marcus Aldén, Laszlo Fuchs, Xue-Song Bai |
2012 |
|
PDF |
Simultaneous PIV, OH and Fuel PLIF Measurements in a Low-swirl Stratified Turbulent Lean Premixed Flame |
Scientific Paper |
P. Petersson, R.Collin, A. Lantz, M. Aldén |
2011 |
|
PDF |
Single-View Volumetric PIV using High-resolution Scanning and |
Scientific Paper |
D. Hess, Ch. Brücker, J. Kitzhofer, T. Nonn |
2011 |
|
PDF |
Single-View Volumetric PIV using High-resolution Scanning and Least Squares Matching |
Scientific Paper |
D. Hess, Ch. Brücker, J. Kitzhofer, T. Nonn |
2011 |
|
PDF |
Spikelet movements, anther extrusion and pollen production in wheat cultivars with contrasting tendencies to cleistogamy |
Scientific Paper |
Urszula Zajączkowska, Bożena Denisow, Barbara Łotocka, Alicja Dołkin-Lewko, and Monika Rakoczy-Trojanowska |
2021 |
|
PDF |
State-of-the-art towing tank PIV and LDA systems |
Scientific Paper |
Palle Gjelstrup |
2009 |
|
PDF |
Steady Flow Structure Produced by Surface Roughness |
Scientific Paper |
F. Gökhan Ergin, Dantec Dynamics A/S |
2007 |
|
PDF |
Stereoscopic MicroPIV Measurements in A Labyrinth-Channel Dripper Used in Micro-Irrigation Systems |
Scientific Paper |
F. Gökhan Ergin, Muriel Amielh, Severine Tomas, Jafar Al-Muhammad, Jean-Jacques Lasserre, Fabien Anselmet |
2022 |
|
PDF |
Testing Procedure for Fatigue Characterization of Steel‐CFRP Hybrid Laminate Considering Material Dependent Self‐Heating |
Scientific Paper |
Selim Mrzljak, Stefan Schmidt, Andreas Kohl, Daniel Hülsbusch, Joachim Hausmann and Frank Walther |
2021 |
|
PDF |
Time-resolved measurements of the free surface motion due to spinning micro-rafts using Stereo MicroPIV |
Scientific Paper |
F. Gökhan Ergin, A. Fatih Tabak, Wendong Wang, and Metin Sitti |
2017 |
|
PDF |
Time-resolved mixing and flow-field measurements during droplet formation in a flow-focusing junction |
Scientific Paper |
Odile Carrier, F Gökhan Ergin, Huai-Zhi Li, Bo B Watz, Denis Funfschilling |
2015 |
iopscience |
|
Time-resolved velocity measurements in a magnetic micromixer |
Scientific Paper |
F. Gökhan Ergin, Bo B. Watz, Kaspars Ērglis, Andrejs Cēbers |
2015 |
ScienceDirect |
|
Tomo PTV using 3D Scanning Illumination and Telecentric Imaging |
Scientific Paper |
J. Kitzhofer, C. Brücker, O. Pust |
2009 |
|
PDF |
Transient Growth: Experiments, DNS and Theory |
Scientific Paper |
F. Gökhan Ergin, Meelan Choudhari, Paul Fischer, Anatoli Tumin |
2005 |
|
PDF |
Uncertainty Quantification for DIC Displacement Measurements in Industrial Environments |
Scientific Paper |
T. Siebert, E. Hack, G. Lampeas, E. A. Patterson, K. Splitthof |
2021 |
|
PDF |
Uncertainty Quantification for DIC Displacement Measurements in Industrial Environments |
Scientific Paper |
T. Siebert,E. Hack, G. Lampeas, E. A. Patterson, K. Splitthof |
2021 |
|
PDF |
Unsteady and Transitional Flows Behind Roughness Elements |
Scientific Paper |
F. Gökhan Ergin, Edward B. White |
2006 |
|
PDF |
Usage of digital image correlation in assessment of behavior of block element pavement structure |
Scientific Paper |
M. Grygierek, B. Grzesik, P. Rokitowski, & T. Rusin |
2018 |
|
PDF |
Utilization of 3D printing technology to facilitate and standardize soft tissue testing |
Scientific Paper |
Mario Scholze, Aqeeda Singh, Pamela F. Lozano, Benjamin Ondruschka, Maziar Ramezani, Michael Werner & Niels Hammer |
2018 |
|
PDF |
Velocity measurements in a Omega-micromixer using Stereo-MicroPIV |
Scientific Paper |
F. Gökhan Ergin |
2016 |
|
PDF |
Vibration Analysis using 3D Image Correlation Technique |
Scientific Paper |
T. Siebert, K. Splitthof |
2010 |
|
PDF |
Visualizing the swim technique of a puller-type microswimmer without visalizing the Flagellum |
Scientific Paper |
F. Gökhan Ergin |
2018 |
|
PDF |
Volumetric 3D PIV in heart valve flow |
Scientific Paper |
Franziska Hegner, David Hess, Christoph Brücker |
2015 |
|
PDF |
Volumetric Calibration Refinement of a Multi-Camera System Based on Tomographic Reconstruction of Particle Images |
Scientific Paper |
Christoph Brücker, David Hess, Bo Watz |
2020 |
MDPI |
|
Volumetric Calibration Refinement using masked back projection and image correlation superposition |
Scientific Paper |
Christoph Brücker, David Hess, Bo B. Watz |
2018 |
|
PDF |
Volumetric Investigation Of Vortex Pairing In A Wall Jet In Air |
Scientific Paper |
David Hess, C. Skupsch, Jens Kitzhofer, Christoph Brücker |
2013 |
|
PDF |
Volumetric Measurement of the Transitional Backward Facing Step Flow |
Scientific Paper |
J. Kitzhofer, C. Brücker, O. Pust, T. Nonn |
2012 |
|
PDF |
Volumetric velocimetry in lifted turbulent premixed low-swirl flames |
Scientific Paper |
P. Petersson, M. Gesnik, J. Olofsson, V. Jaunet, M. Aldén |
2012 |
|
PDF |