000 00372nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aAnderson, W.S.
245 _aRegional studies of time of planting and hill spacing of sweetpotatoes
260 _aWashington
_c1945
300 _a1-20 p.
440 _aUnited State Department of Ag
901 _a18333
942 _cB
_2udc
999 _c2207
_d2207