000
00293nam a2200133Ia 4500
008
160316s1989 xxu||||| |||| 00| 0 eng d
020
_a
8185031193
100
_a
K.C. Aggarwal
245
_a
Environmental Biology
250
_a
1st
260
_a
INDIA
_b
ABP
_c
1989
300
_a
439
700
_a
_a
999
_c
2753
_d
2753