00444naa a2200169 a 450000100080000000500110000800800410001910000160006024500320007626000090010830000120011752000320012965000110016165300100017265300160018277300760019810400161994-09-28       1978    bl uuuu     u00u1 u    #d1 aHAWK, H. W.  aInfertility in dairy cattle  c1978  ap.19-30  aInfertility in dairy cattle  acattle  aDairy  aInfertility  tIn: BELTSVILLE SYMPOSIA IN AGRICULTURAL RESCARCH. 3., 1978, Beltsville.