@book{3954,
	author = {Sharma, Sanjay.},
	title = {Data Communication Networks /},
	publisher = {S. K. Kataria & Sons (Publishers),},
	year = {2011.},
	address = {New Delhi},
	url = {http://www.amazon.com/exec/obidos/ASIN/8189757423/chopaconline-20}
}