000 00389nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aO.F. Cook
245 _aSuppressed and intensified characters in cotton hybrids
260 _aWashington
_bUnited States Department of Agriculture
_c1909
300 _a27p.
440 _aBureau of plant industry, No.
901 _a5556
942 _cB
_2udc
999 _c1040
_d1040