000 00287nam a2200097Ia 4500
008 230429s9999 xx 000 0 und d
100 _aSommerfeld, A
245 0 _aElectrodynamics: Lectures on theoretical physics. Vol. 3.
260 _aNew York
_bAcademic Press
_c1952
300 _axiii, 371p.
999 _c44778
_d44778