000
00281nam a2200121Ia 4500
008
220201s1977 xx 000 0 eng d
082
_a
627
_b
VAR
100
_a
Varshney, RS
245
0
_a
Engineering hydrology
260
_b
Roorkee: Nem Chand
_c
1977
300
_a
837
942
_2
ddc
999
_c
80713
_d
80713