000
00388nam a2200121Ia 4500
008
160316s9999 xxu||||| |||| 00| 0 eng d
100
_a
Kamala A
245
_a
Environmental engineering
260
_a
New Delhi
_b
TMH
_c
1989
300
_a
VIII, 271p
650
_a
Biotechnology
999
_c
48181
_d
48181