TY  - BOOK
AU  - R.P.SINGH
AU  - S.D. SAPRE
TI  - COMMUNICATION SYSTEMS ANALOG & DIGITAL
PY  - 1995///
CY  - NEW DELHI
PB  - TATA MCGEAW HALL , PUBLISHING CP- LTD, 43/7 WEST PATELI NAGAR NEW DELHI 111 0008
KW  - COMMUNICATION SYSTEMS
ER  -