000 00318nam a2200133Ia 4500
008 220201s1977 xx 000 0 eng d
041 _aENG
100 _aHUGHES, E
245 0 _aELECTRICAL TECHNOLOY
250 _a5TH
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1977
300 _a710
942 _2ddc
999 _c47594
_d47594