@book{249767,
	author = {University Illinois},
	title = {Bulletin : Univ. Illinois at Urbana-Champaign Coll. of Agric. Exp. Station},
	publisher = {University Illinois},
	year = {1991},
	address = {Illinois},
	note = {-Existencias: 1991-1992 no. 804-807}
}