@book{188667,
	author = {Sadiku, Matthew N. O.},
	title = {Optical and wireless communications :},
	publisher = {CRC Press,},
	year = {c2002.},
	address = {Boca Raton, Fla. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/2001052889-d.html}
}