@InProceedings{Stolz2015Byzantine,
	 author =	{David Stolz and Roger Wattenhofer},
	 title =	{{Byzantine Agreement with Median Validity}},
	 booktitle =	{{19th International Conference on Priniciples of Distributed Systems (OPODIS), Rennes, France}},
	 month =	{},
	 year =		{2015}
}