@InProceedings{Degener2011Tight,
	 author =	{Bastian Degener and Barbara Kempkes and Tobias Langner and Friedhelm Meyer auf der Heide and Peter Pietrzyk and Roger Wattenhofer},
	 title =	{{A Tight Runtime Bound for Synchronous Gathering of Autonomous Robots with Limited Visibility}},
	 booktitle =	{{23rd ACM Symposium on Parallelism in Algorithms and Architectures (SPAA), San Jose, California, USA}},
	 month =	{June},
	 year =		{2011}
}