000 00305nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a621.312134 R9534
100 _aRUSHMORE,D.B
245 0 _aHYDROELECTRIC POWER STATIONS
260 _aNEW YORK
_bMcGraw-Hill
_c1917
300 _a24X15
942 _cBK
_2DDC
999 _c11819
_d11819