000 00501nam a22001817a 4500
999 _c152981
_d152981
003 USJPLib
008 171107b xxu||||| |||| 00| 0 eng d
041 _aEng.
082 _a581.2
_bWAL
100 _aWalker, John Charles
_973274
245 _aPlant pathology
250 _a1st ed.
260 _aNew York
_bMcGraw-Hill
_c1950
300 _ax, 699 p.
_bill.
_c23 cm.
440 _aMcGraw-Hill publications in the Agricultural Sciences
_969085
650 _aPlant diseases
_960780
942 _2ddc
_cLM