TY  - BOOK
AU  - Matin H.E.
TI  - Communication With ISDN
SN  - 0000025229
U1  - 621.381 
PY  - 1991///
CY  - New Delhi
PB  - Galgatia Publication
KW  -  ISDN
KW  - Communication
KW  - Electronic & Communication Engg(621.381)
ER  -