000 00321 a2200121 4500
080 _a538:537
_bS 439 E
245 1 _aElectricity and magnetism
_cby F.W. Sears
260 _aLondon
_bAddison Wesley Publishing Co.
_c1951
650 _aElectricity and Magnetism
100 1 _aSears, F.W.
300 _a460 p.
901 _a110333
999 _c27645
_d27645