000 00297nam a2200121Ia 4500
008 170101s1951 xx 000 0 und d
082 _a633 RAT
100 _aRather Howard C.
245 0 _aField Crops
260 _aNew York
_bMac-Grew Hill Book Inc. Co.
_c1951
300 _a446 p.
942 _2ddc
_cB
999 _c5916
_d5916