TY  - BOOK
AU  - Ali, Syed Riffat
TI  - Digital switching systems:  : system reliability and analysis
SN  - 9780070484009
U1  - 621.387 Al41d 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Systems analysis
KW  - Digital telephone systems
KW  - Reliability
KW  - Telecommunication
KW  - Switching systems
ER  -