000
00309nam a2200121Ia 4500
008
220201s1992 xx 000 0 eng d
082
_a
628.3
_b
AVC
100
_a
Avceivala, Soli J
245
0
_a
Waste water treatment for pollution control
260
_b
Tata Mc Graw hill
_c
1992
300
_a
187
942
_2
ddc
999
_c
85502
_d
85502