000 00458nam a22001937a 4500
015 _a3299
041 _a1
080 _a632
_bPLA
110 _aUnited States Department of Agriculture
245 _aPlant diseases
260 _aOxford & IBH
_bNew Delhi
_c1953
300 _a940p.
_bfig.
650 _aAgriculture
852 _a4L 3-1
999 _c3936
_d3936