000
00311nam a2200109Ia 45e0
008
181001s1971 xx 000 0 und d
100
_a
Singhal R.P.
245
2
_a
A text book on sanitary engineering
260
_a
Roorkee
_b
Sneghel
_c
1971
300
_a
1000
942
_2
ddc
_c
BK
999
_c
1994
_d
1994