@book{TUW-119817, editor = {Gartner, Georg}, title = {Location Based Services {\&} TeleCartography}, publisher = {Geowissenschaftliche Mitteilungen, Heft 66}, year = {2004}, address = {Wien}, numpages = {234}, url = {http://publik.tuwien.ac.at/files/PubDat_119817.pdf}, issn = {1811-8380} }