000
00288nam a2200121Ia 4500
008
220201s1988 xx 000 0 eng d
082
_a
628.3
_b
GAR
100
_a
Garg,SK
245
0
_a
Sewage&waste disposal engineering
260
_b
Khanna publisher
_c
1988
300
_a
474
942
_2
ddc
999
_c
83916
_d
83916