@book{8937,
	author = {Gupta, Prakash C.},
	title = {Data Communications/},
	publisher = {Prentice-Hall of India Pvt.Ltd,},
	year = {1999.  },
	address = {832 p. },
	edition = {.  },
	url = {http://www.amazon.com/exec/obidos/ASIN/8120348648/chopaconline-20}
}