@book{32883,
	author = {Adnan ul Haq Pirzada, Umar Tariq, Ishtiyaq Ahmed, M. Zohaib Khan & Zohaib Moazzam Khan},
	title = {Microcontroller Based Online UPS},
	publisher = {UITU,},
	year = {2003},
	address = {Karachi:}
}