@conference{SKL+12,
	author = {Daniel Schuster and Danny Kiefner and Robert Lübke and Thomas Springer and Pascal Bihler and Holger Mügge},
	title = {Step by Step vs. Catch Me If You Can - On The Benefit of Rounds in Location-based Games},
	booktitle = {3rd IEEE Workshop on Pervasive Collaboration and Social Networking (PerCol)},
	year = {2012},
	address = {Lugano, Switzerland}
}