@book{8738,
	author = {Brinkmann, Hans-Berndt and Puppe, Dieter and Puppe, Dieter ; jt. auth.},
	title = {Abelsche and exakte kategorien, korrespondenzen},
	publisher = {Springer-Verlag},
	year = {1969},
	series = {Lecture notes in Mathematics},
	address = {Berlin}
}