TY  - BOOK
AU  - BREWSTER,R.L.
TI  - ISDN TECHNOLOGY / 
U1  - 600 
PY  - 1993///
CY  - [S.N] : 
PB  - CHAPMAN & HALL ، 
KW  - ELECTRONICS
KW  - MODULATION (ELECTROMICO)
KW  - SWITCHING CIRUITS
KW  - DIGITAL ELECTRONICS
ER  -