TY  - BOOK
AU  - Roddy Dennis
AU  -  Coolen John
TI  - Electronic communications
SN  - 8129701065 (pbk)
U1  - D65,4, M7;N5;7-;8 
PY  - 1995///
CY  - Delhi
PB  - Pearson Education (Singapore) Pvt. Ltd.     
KW  -  Communication
KW  - Computer Scinece
N1  - Appendix A-B, 802-809p
ER  -