TY  - BOOK
AU  - Ali 
TI  - Digital switching systems : system reliability and analysis 
SN  - 0070010692 
U1  - 621.387 ALI 1998 
PY  - 1998///
CY  - New York
PB  - McGraw Hill
KW  - Digital telephone systems
KW  - Reliability
KW  - System analysis
KW  - Telephone switching systems, Electronic
N1  - Includes index
ER  -