@inproceedings{TUW-120415, author = {Gerstbach, Gottfried}, title = {Mars Channel Observations 1877-90, Compared with Modern Orbiter Data and a MOLA Terrain Model}, booktitle = {XIII National Conf. of Yugoslav Astronomers}, year = {2002}, note = {poster presentation: XIII National Conference of Yugoslav Astronomers, Belgrad; 2002-10-17 -- 2002-10-20} }