@InProceedings{Sommer2009clock,
	author=	{Philipp Sommer},
	title=	{{Clock Synchronization in Wireless Sensor Networks: Local vs. Global}},
	booktitle=	{{2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL 2009), Bratislava, Slovak Republic}},
	month=	{November},
	year=	{2009},
}