000 00309pam a2200121 a 4500
020 _c
041 _h
100 _aD.P. Singh , S.K. Dwivedi
245 _aEnvironmental Microbiology and Biofechnology
260 _bNew Age International P. Ltd. Publisher
_c1st. Ed. 2004
300 _a100
930 _a1812
999 _c247665
_d247665