001: 20480
003: Starlibrary PMS 4.5
005: 20180420
066: ^aRP.C
082: ^a621.382
100: ^aRP Singh
240: ^aCommunication Systems nalog & Digital
245: ^aCommunication Systems nalog & Digital
260: ^aNew Delh ^b Tata McGraw - Hill publishing Company Limited ^c2008
300: ^b584 p: 24c.m
700: ^a sd Sapre (corporate author)