1. ISDN Explaned :
Author: / John M. Griffiths With Peter Adams...[ et al].
Library: Central Library and Document Center of Shahid Chamran University (Khuzestan)
Subject: Integrated Services digital network
Classification :
TK5105
.
7
.
G75
1998
2. ISDN explained
Author: / John Griffiths with Peter Adams ... (et al.)
Library: Tehran University, technical faculty libraries 1 (Tehran)
Subject: Integrated services digital networks
Classification :
TK
5103
.
7
.
G75
1992
3. ISDN explained
Author: / John Griffiths with Peter Adams ... (et al.)
Library: Library of Campus2 Colleges of Engineering of Tehran University (Tehran)
Subject: Integrated services digital networks
Classification :
TK
5103
.
7
.
G75
1992
