@InProceedings{ASG13, author = "Albers Szafir, Danielle and Sarikaya, Alper and Gleicher, Michael", title = "Lightness Constancy in Surface Visualization", booktitle = "IEEE Visualization Poster Proceedings", month = "Oct", year = "2013", publisher = "IEEE", url = "http://graphics.cs.wisc.edu/Papers/2013/ASG13" }