000 00255nam a2200109Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
100 _aSears
245 0 _aElectricity and Megetism
260 _aLondon
_bAddision Wesley
_c1979
942 _cPR
999 _c38294
_d38294