000
00290nam a2200121Ia 4500
008
220201s1969 xx 000 0 eng d
100
_a
CLARK
245
0
_a
WATER SUPPLY AND POLLUTION CONTROL
260
_a
DELHI
_b
ACADEMIC PRESS
_c
1969
300
_a
575
700
_a
VIESSMAN
942
_2
ddc
999
_c
89082
_d
89082