01018nam a2200301 i 450099100090852970753620020507103059.0951204s1978 us ||| | eng 0471019062b10146702-39ule_instLE00638969ExLDip.to Fisicaita53(022+076)53.2.2537QC665.E4Portis, Alan M.461771Electromagnetic fields :sources and media /Alan M. PortisNew York :John Wiley & Sons,1978xxiii, 775 p. :ill. ;24 cm.Includes bibliographical references and index.Electromagnetic fields.b1014670221-09-0627-06-02991000908529707536LE006 53.2.2 POR12006000045346le006-E0.00-l- 02120.i1017470927-06-02Electromagnetic fields186523UNISALENTOle00601-01-95ma -engus 01