@inproceedings{filip12user,
   title = {User Study of Viewing and Illumination Dependent Material Appearance}, 
   author = {Filip, J. and Haindl, M.}, 
   booktitle = {In proceedings of Predicting Perceptions 2012 - the 3rd International Conference on Appearance},
   venue = {Edinburgh, UK},
   year = {2012},
   month = {April},
   conference = {},
   pages = {34--38},
   url = {http://opendepot.org/1048/1/User_Study_of_Viewing_and_Illumination_Dependent_Material_Appearance.pdf} }