@book{102980,
	author = {Ziemke, Earl Frederick},
	title = {Stalingrad to Berlin: the German defeat in the east},
	publisher = {Office of the Chief of Military History, U.S. Army; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1968.},
	series = {Army historical series},
	address = {Washington}
}