@ { KrBuScKeFu+19, title = {Comparative Analysis with Heightmaps in Virtual Reality Environments}, booktitle = {21st Eurographics/IEEE VGTC Conference on Visualization (EuroVis)}, year = {2019}, author = {Kraus, Matthias and Buchm├╝ller, Juri and Schweitzer, Daniel and Keim, Daniel A. and Fuchs, Johannes} }