00506nam a22001577i 4500001001000000005001700010008004100027082002200068100003200090245006100122250001000183260005700193300001700250650006300267020001800330SXC01568820260819093606.0260101s1986    ii            000 0 eng d  a621.38 ROD-E5222  aRoddy, Dennis; Coolen, John10aElectronic communications /cRoddy, Dennis; Coolen, John  a5 ed.  abPrentice-Hall of India Pvt. Ltd., New Delhi,c1986  ap. ;c22 cm. 0aElectronics and communication engineering; Applied physics  a9780827326415