@inproceedings{schwerdtfeger2007UbiComp,
	Author = {Schwerdtfeger, Bj\"{o}rn and Kellerer, Mathias  and Klinker, Gudrun},
	Booktitle = {Adjunct Proc. of 9th International Conference on Ubiquitous Computing (UbiComp07) },
	Keywords = {Location Based Game, Mobile Communication},
	Month = {September},
	Title = {Munich Hunt:  Playing cops and robbers all over Munich},
	Year = {2007}}