000 00320nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aSommerfield, Arnold
245 0 _aElectrodynamics
260 _bAcademic Press
_aNew York
_c1952
300 _axiii,371p p.
942 _c1
999 _c34028
_d34028