000 00274nam a2200121Ia 4500
008 211209s1979 xx 000 0 und d
041 _aeng
082 _a621.204 22 N79 DON/SHA
100 _aDONDEKER
245 _aWATER POWER ENGINEERING
260 _c1979
300 _a448
999 _c11075
_d11075