00491nam a2200193Ia 4500001000600000003000500006008004100011010001100052020001800063040000900081082001700090100001800107245006200125260003500187300001100222503001100233650003400244700001900278Z_214CHAP220113s1987 xx 000 0 und d a163187 a0-408-10867-3 cCHAP a636.20824 P4 aPeters, A. R. aReproduction in cattle /cA. R. Peters and P. J. H. Ball aLondon :bButterworths,c1987 a191 p. a150577 aGanado vacunoxReproducción aBall, P. J. H.