@book{1949,
	author = {Evans, G. and Maxwell, W. M. C.},
	title = {Inseminación artificial en ovejas y cabras /},
	publisher = {ACRIBIA,},
	year = {1990.},
	series = {Reproducción y Genética Animal},
	address = {Zaragoza :},
	edition = {1ª ed.},
	note = {Incluye apéndices.}
}