000 00366nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aG.N. Collins
245 _aHeredity of a maize variation
260 _aWashington
_bUnited States Department of Agriculture
_c1913
300 _a23p.
440 _aBureau of plant industry, No.
901 _a5674
942 _cB
_2udc
999 _c1093
_d1093