@book{13499,
	author = {Gupta, Prakash C},
	title = {Data communications and computer Networks},
	publisher = {PHI Learning},
	year = {2014},
	address = {New Delhi},
	edition = {2nd ed.},
	note = {1812 09/01/2015 HBD6390 13/03/2015 Main Budget}
}