000 00286nam a2200121Ia 4500
008 160710s1977 xx 000 0 und d
082 _a627.9 VAR
100 _aVARSHNEY,R.S.
245 _aHYDRO POWER STRUCTURES
260 _bNEM CHAND & BROS.
_c1977
300 _a680
942 _2ddc
_cB
999 _c42633
_d42633