000 00311nam a2200133Ia 4500
008 221229s9999 xx 000 0 und d
100 _aCOTTON, H.
245 0 _aELECTRICAL TECHNOLOGY
250 _a6
260 _aLONDON
_bSIR ISSAC PITMAN & SONS
_c1957
300 _a600
650 _aELECTRICAL
942 _cBK
999 _c19869
_d19869