000 00342 a2200157 4500
001 B 390
020 _a817035336x
050 _aTD192.5
_b.E55-2004
100 1 _aArvind Kumar
245 1 4 _aEnvironmental Biotechnology
260 _aDelhi
_bDaya publishing house
_c2004
500 _a
650 _aBiology
650 _aScience
942 _cBK
999 _c8475
_d8475