000 00497nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a636
_bN619L
100 _aNichols, J E
245 0 _aLivestock improvement in relation to heredity and environment
_cJ E Nichols
250 _a4th
260 _aAmes
_bLowa State College Press
_c1957
300 _aix, 240p.
650 _aLivestock-Development; Livestock-Genetics; Food supply; Milk production
942 _cBKS
999 _c28425
_d28425