@book{10226,
	author = {Muhammad Safeer and M. Umair Tanveer & M. Qamar Nawaz},
	title = {Topsec GSM},
	publisher = {NUST School of Electrical Engineering & Computer Science,},
	year = {2010.},
	address = {Islamabad :},
	note = {Supervisors : Dr. Nazar Abbas, Mr. Muhammad Ramzan.},
	url = {http://10.250.8.41:8080/xmlui/handle/123456789/18522}
}