@book{117,
	author = {Gupta, S.C. },
	title = {Textbook on Optical Fibre Communication and its Applications},
	publisher = {PHI Learning Private Limited,},
	year = {2012.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/B00834KMR6/chopaconline-20}
}