000 00255nam a22000977a 4500
008 120706b xxu||||| |||| 00| 0 eng d
050 _aQC670
_b.K73 1973
245 _aELECTROMAGNETICS
300 _a18 CM
942 _2lcc
_cBK
_hQC670.K73 1973
999 _c64920
_d64920