000 00257nam a2200109Ia 4500
008 220201s1987 xx 000 0 eng d
100 _aGarg,SK
245 0 _aHudraulic&water resuorce enn.
260 _bKhanna publisher
_c1987
300 _a581
942 _2ddc
999 _c83910
_d83910