@book{175915,
	author = {Betti, Silvello, and De Marchis, Giancarlo.},
	title = {Coherent optical communications systems /},
	publisher = {Wiley,},
	year = {c1995.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/description/wiley037/94009044.html}
}