000 00274nam a2200109Ia 4500
008 221219s9999 xx 000 0 und d
100 _aSingh R. S.
245 0 _aIntroduction to Principles of Plant Pathology
260 _bMDTECH
650 _aPlant Pathology
942 _cBK
_012
999 _c4094
_d4094