000
00283nam a2200109Ia 4500
008
220201s1996 xx 000 0 eng d
100
_a
SP 35 1987
245
0
_a
HANDBOOK ON WATER SUPPLY AND DRAINAX
260
_a
DELHI
_b
BUREAU OF INDIAN STANDARD
_c
1996
300
_a
173
942
_2
ddc
999
_c
91911
_d
91911