000 00285nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aMorley (A);Hughes(E)
245 0 _aPrinciples of electricity
260 _cNIL
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c40591
_d40591