TY  - BOOK
AU  - Goralski, Walter
AU  - Kessler, Gary
TI  - ISDN the Complete Guide to ISDN Architecture Products and Implementation 
SN  - 1566079802
U1  - 004.6 
PY  - 1996///
CY  - Charleston : 
PB  - Computer Technology Research Corporation, 
KW  - Integrated Services Digital Networks
N1  - NN
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/1-56607-980-2.pdf
ER  -