@inproceedings{KNPS02, author = {Keim, Daniel A. and North, Stephen C. and Panse, Christian and Schneidewind, Jörn}, booktitle = {Proceedings of IEEE Symposium on Information Visualization (InfoVis '02)}, month = {Oct}, pages = {33-36}, title = {Efficient Cartogram Generation: A Comparison}, year = {2002} }