TY  - BOOK
AU  - Stanley,William D.
AU  - Jeffords,John M.,1
TI  - Electronic Communication: Principles and Systems / 
SN  - 9788131503546
U1  - 621.382 
PY  - 2009///
CY  - New Delhi
PB  - Cengage Learning
KW  - Electronic Communication
ER  -