000
00219nam a2200085 4500
080
_a
628.5
_b
RAO.91
245
_a
Environmental pollution control engineering
100
_a
Rao, C.S
260
_a
New Delhi
_b
Wiley eastern Ltd.
_c
1991
300
_a
viii+431p
999
_c
34836
_d
34836