@book{217761,
	author = {Hafez, E. S. e. and Anderson, L. L.},
	title = {Reproducción e inseminación artificial en animales / E. S. E. Hafez},
	publisher = {Mcgraw-Hill Interamericana},
	year = {2000},
	address = {México},
	edition = {6a ed.}
}