000 00301nam a2200121Ia 4500
008 221219s9999 xx 000 0 und d
100 _aR.S. Singh
245 0 _aIntroduction to principles of plant pathology (5thed)
250 _a5th
260 _bMDTECH
650 _aPlant Pathology
942 _cBK
_012
999 _c4085
_d4085