@book{TUW-171793, author = {Meng, Liqiu and Zipf, Alexander and Winter, Stephan}, title = {Map-based Mobile Services}, publisher = {Springer}, year = {2008}, series = {Lecture Notes in Geoinformation and Cartography}, editor = {Cartwright, William and Gartner, Georg and Meng, Liqiu and Peterson, Michael P.}, isbn = {978-3-540-37109-0} }