000 00395nam a2200133Ia 4500
008 140208s9999 xx 000 0 und d
020 _a0011183X
044 _aU.S.A.
100 _aStuber, C.W., ed.
245 _aCrop Science. v.30(n1-3), Jan-June, 1990
_cedited by C.W.Stuber
260 _bCrop Science Society of America
_aMadison
_c1990
300 _av.30, ii, 769 p.; 24cm.
942 _2udc
_cP
999 _c24113
_d24113