000 00310nam a2200133Ia 4500
005 20260205040859.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a537 H346M
100 _aHEAFFOD P E
245 0 _aMAGNETS & ELECTRIC POWER
260 _aLONDON
_bLONGMANS
_c1957
300 _a80
942 _cBK
999 _c13548
_d13548