000 00315nam a2200121Ia 4500
008 170101s1952 xx 000 0 und d
082 _a635.049 WAL
100 _aWalker J.C.
245 0 _aDiseases of Vegetable Crops
260 _aNew York
_bMcGraw-Hill Book Co. Inc
_c1952
300 _a529 P.
942 _2ddc
_cB
999 _c1700316
_d1700316