00591nam a2200217Ia 4500001000600000003000500006008004100011010001100052040000900063082001600072100002300088245009000111260005600201300001100257440000500268500000500273503000500278650002900283650002900312650003200341Z_917CHAP220113s1986    xx            000 0 und d  a163992  cCHAP  a636.0898 R6  aRoberts, Stephen J  aVeterinary obstetrics and general diseases (theriogenology)  /cby Stephen J. Roberts  aNorth Pomfret, Vermont  :bDavid and Charles,c1986  a981 p.  a  a  a  aObstetricia veterinaria   aPatología veterinaria   aReproducción animal I. t.