TY  - BOOK
AU  - Couch,Leon W.
AU  - 
TI  - Digital and analog Communication systems. 
SN  - 978 93 325 1858 2  
U1  - 001.54/C853d 
PY  - 0000///Pearson Education
PY  - 2014///
CY  - New Delhi 
KW  - Comunication
KW  - Digital Comunication
N1  - Includes index(P667-76) and bibliograpy(P647-666).
ER  -