TY  - BOOK
AU  - ALI,  Syed. R. ,author 
TI  - Digital Switching systems: System reliability Analysis
SN  - 9780070483903
PY  - 1998///
CY  - New Delih
PB  - Teta McGraw Hill Education Ltd
KW  - Telephone Switching Systems, Electronic - Reliabity
KW  - Digital Telephone Systems  Reliability
KW  - System analysis
ER  -