000 00330nam a22001457a 4500
020 _a812040128 X
082 _a632 SIN/PL
100 _aR S Singh
245 _aPlant Diseases
250 _aVI
260 _aNew Delhi
_bOxford & IBH
_c1990
300 _a619
650 _aintroduction
_ahistory of plant pathology
942 _cBK
999 _c298615
_d298615