TY  - GEN
AU  - Ronayne , John
TI  - The integrated services digital network: from concept to application
SN  - 8185814082
U1  - 384 
PY  - 1988///
CY  - Allahabad
PB  - Wheeler Publishing
KW  - ISDN
KW  - COMMUNICATION
KW  - INTEGRATED SERVICES DIGITAL NETWORKS
ER  -