00434     2200157   4500001002100000008003900021035002000060245002700080100002300107260005400130300002300184084001800207082001200225650002500237990001400262INLIS000000000003293                                   N    a0010-0317003291  aEssential reproduction  aJohnson, Martin H.  aOxford :bBlackwell Scientific Publicationsc1988  axi, 377 hlm.c26cm  a599.016 Joh e  a599.016  aANIMAL, REPRODUCTION  a055389112