000
00277nam a2200121Ia 4500
020
_a
8122406483
082
_a
628.50154 KUM/E
100
_a
Anil Kumar De
245
0
_a
Environmental Chemistry
260
_b
New Central Book Agency
_a
London
_c
2010
300
_a
364p
942
_c
BK
999
_c
2452
_d
2452