TY  - GEN
AU  -  Ayesha Sohail (030286)
AU  - Saima Masood, Sundas Zahid
TI  - Implementaion of E1 Multiplexer and DE-Multiplexer using ITU-T standards
U1  - 621 AYE-BEE 
PY  - 2007///
CY  - Islamabad
PB  - Department of Electrical Engineering 
ER  -