@inproceedings{TUW-120816, author = {Maass, Stefan and Jobst, Markus and D{\"o}llner, J{\"u}rgen}, title = {Use of Depth Cues for the Annotation of 3D Geo-Virtual Environments}, booktitle = {Proceedings of the International Cartographic Conference 2007}, year = {2007}, numpages = {10}, note = {talk: International Cartographic Conference 2007, Moskau; 2007-08-04 -- 2007-08-10} }