Arthur, Geoffrey H. Veterinary reproduction and obstetrics (theriogenology) - 6 ed. - London : Bailliere Tindall, 1983 - 641 p. : ilus LCCN: 8805 Subjects--Topical Terms: Obstetricia veterinaria.Reproducción animal. Dewey Class. No.: 636.0898 / A7 1983