TY  - GEN
AU  - Ali,Syed Riffat
TI  - Digital switching systems : system reliability and analysis 
SN  - 0070010692
U1  - 621.387 
PY  - 1998///
CY  - New York
PB  - McGraw-Hill
KW  - Telephone switching systems, Electronic
KW  - Reliability
KW  - Digital telephone systems
KW  - System analysis
UR  - http://www.loc.gov/catdir/description/mh023/97019408.html
UR  - http://www.loc.gov/catdir/toc/mh022/97019408.html
UR  - http://www.loc.gov/catdir/enhancements/fy0705/97019408-b.html
ER  -