@inproceedings{PiotrowskiLangendoerferMaaseretal., author = {Piotrowski, Krzysztof and Langend{\"o}rfer, Peter and Maaser, Michael and Spichal, Gregor and Schwander, Peter}, title = {Charged Location Aware Services}, series = {Wireless Information Systems, Proceedings of the 4th International Workshop on Wireless Information Systems, WIS 2005}, booktitle = {Wireless Information Systems, Proceedings of the 4th International Workshop on Wireless Information Systems, WIS 2005}, publisher = {INSTICC Press}, isbn = {972-8865-21-X}, pages = {33 -- 41}, language = {en} }