00452nam a22001577i 4500001001000000005001700010008004100027082002200068100001800090245004300108250001000151260003500161300001700196650006300213020001800276SXC01568720260819093606.0260101s1987    ii            000 0 eng d  a621.38 HAY-C2222  aHaykin, Simon10aCommunication systems /cHaykin, Simon  a2 ed.  abWiley Eastern Limited,c1987  ap. ;c22 cm. 0aElectronics and communication engineering; Applied physics  a9780091757915