TY  - BOOK
AU  - Ali,Sayed R.
TI  - Digital Switching Systems: System Reliability and Analysis 
SN  - 0070010692
U1  - 621.385 23
PY  - 1998///
CY  - USA
PB  - McGraw-Hill
KW  - Digital communication
KW  - Telecommunication engineering
N1  - Includes Index
ER  -