000
00247nam a22000977a 4500
082
_a
660.6
_b
YAD.E
100
_a
Yadav, P R
_a
Rajiv, Tyagi
245
_a
Environmental biotechnology
260
_a
New Delhi
_b
Discovery Publications
_c
2006
942
_c
BK
999
_c
213968
_d
213968