000 00348nam a2200133Ia 4500
008 220201s1971 xx 000 0 eng d
041 _aENG
100 _aWATKINS, A J
245 0 _aELECTRICAL INSTALLATION CALCULATIONS S. I. UNITS
250 _a2ND
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1971
300 _a87
942 _2ddc
999 _c48514
_d48514