000 00404nam a2200169Ia 4500
008 170101s1938 xx 000 0 und d
082 _a631.5 M73P
100 _aMontgomery, E.G.
245 0 _aProductive farm crops.
250 _a5
260 _aChicago, U.S.
_bLippincott
_c1938
300 _a22cm; 521
650 _aFIELD CROPS
653 _aAGRICULTURE
653 _aFIELD CROPS
942 _2ddc
_cB
999 _c3179
_d3179