TY  - BOOK
AU  - Roddy D.,
AU  - Coolen J.,
TI  - Electronic Communications: Electronic Communication 
SN  - 9788177585582
U1  - 621.382 
PY  - 2008/// (c) 2012
CY  - New Delhi
PB  - Dorling Kindersley (India) Pvt.Ltd. Licensees of Pearson Education
KW  - Dig. Communication
ER  -