TY  - BOOK
AU  - Dayton, Robert L.,
TI  - Guide to integrating digital services: T1, dds, and voice integrated network architecture 
SN  - 0-07-01688-7
AV  - TK5103.7 D39
PY  - 1989///
CY  - New York
PB  - McGraw-Hill
KW  - Comunicaciones digitales
KW  - Redes digitales de servicios integrados
ER  -