Rao, Nannapaneni Narayana Elements Of Engineering Electromagnetics Nannapaneni Narayana Rao - 6th. ed. - Upper Saddle River, New Jersey Pearson/ Prentice Hall 2004 - xxiii, 831p. diagram 23cm. includes index : p. 812 - 831 ISBN: 0131139614 Subjects--Topical Terms: Electromagnetic theory.