TY  - BOOK
AU  - Singh,R P
AU  - Sapre, S. D 
TI  - Communication systems
SN  - 9781259004600
U1  - 621.38 
PY  - 2012///[reprinted 2013]
CY  - New Delhi
PB  - McGraw Hill Education, 
KW  - Telecommunication
KW  - Signal theory (Telecommunication)
N1  - Includes bibliographical references and index
ER  -