@book{10209,
	author = {Usman Ashraf and M. Fahad Siddique},
	title = {Design and development of Efficient ups system},
	publisher = {NUST School of Electrical Engineering & Computer Science,},
	year = {2010.},
	address = {Islamabad :},
	note = {Supervisors : MR. Saifullah Amir, Mr. Sikander Hayat.},
	url = {http://10.250.8.41:8080/xmlui/handle/123456789/10036}
}