TY  - GEN
AU  - Usman Ashraf
AU  - M. Fahad Siddique
TI  - Design and development of Efficient ups system
U1  - BEE-3 
PY  - 2010///
CY  - Islamabad
PB  - NUST School of Electrical Engineering & Computer Science
N1  - Supervisors : MR. Saifullah Amir, Mr. Sikander Hayat
UR  - http://10.250.8.41:8080/xmlui/handle/123456789/10036
ER  -