@book{TUW-121020, author = {Raper, Jonathan and Gartner, Georg and Karimi, Hassan and Rizos, Chris}, title = {Journal of Location Based Services, Vol. 1, Nr. 1}, publisher = {Taylor {\&} Francis}, year = {2007}, series = {Journal of Location Based Services}, editor = {Raper, Jonathan and Gartner, Georg and Karimi, Hassan and Rizos, Chris}, numpages = {85}, issn = {1748-9725} }