000 00293nam a2200121Ia 4500
008 160710s1950 xx 000 0 und d
082 _a621.3 YOU
100 _aYOUNG ,H.P.
245 _aELECTRIC POWER SYSTEM CONTROL
260 _bCHAPMAN & HALL LTD
_c1950
300 _a456
942 _2ddc
_cSF
999 _c78030
_d78030