000 00396nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aWeaver, E., Matthews, C.A., Kildee, H.H.
245 _aInfluence of environment and breeding in increasing Dairy production-III
260 _aAmes
_c1928
300 _a285-328 p.
440 _aIowa Agricultural Experiment
901 _a21789
942 _cB
_2udc
999 _c3645
_d3645