@book{3992,
	author = {Singh, Brijendra.},
	title = {Data Communications and Computer Networks /},
	publisher = {Prentice-Hall of India Pvt.Ltd,},
	year = {2006.},
	address = {New Delhi},
	edition = {2nd ed.},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/8120329694/chopaconline-20}
}