TY  - BOOK
AU  - Roddy Dennis
AU  -  Coolen John
TI  - Electronic communications
SN  - 8129701065 (pbk)
U1  - D65,4, M7;N5;4 
PY  - 1995///
CY  - Delhi
PB  - Pearson Education (Singapore)Pvt. Ltd.      
KW  -  Communication
KW  - Electronic
ER  -