000 00346nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aSrivastava (SK) and Patel (PN)
245 0 _aEpidemological relations of bacterial plant pathogens
260 _bToday & Tomorrow Priters and Publishers
260 _c1978
365 _b30.00
942 _cBK
999 _c203150
_d203150