TY  - BOOK
AU  - LAWTON, L.S
TI  - Integrated Digital Networks
SN  - 81-7515-057-2
U1  - 004.65 
PY  - 1996///
CY  - New Delhi
PB  - Galgotia Publication Pvt.Ltd.
KW  - Electronic Telephones
KW  - Digital Networks
KW  - Digital Transmission
ER  -