@book{164765,
	author = {Hernández Sánchez, Josafat and Valdés Narváez, Víctor Manuel},
	title = {Comportamiento productivo de corderos en engorda intensiva utilizando zeranol o monesina y su efecto, coccidiostato  /},
	publisher = {El autor,},
	year = {1999},
	address = {Chapingo, Méx.  :}
}