TY  - BOOK
AU  - Singh, R . P
AU  - Sapre, S.D.
TI  - Communication Systems analog and digital
SN  - 9781259004605
U1  - 621.382 
PY  - 2007///
CY  - New Delhi
PB  - McGraw-HIll
KW  -  Telecommunication systems ; Digital communications ; Communication systems
ER  -