@book{66019,
	author = {Pathmanathan, Shankar S. and Choudhury, P. K. and ebrary, Inc.},
	title = {Novel usage of erbium in optical communication systems},
	publisher = {Nova Science,},
	year = {c2010.},
	series = {Media and communications},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10661815}
}