@book{175705,
	author = {Helvoort, Huub van.},
	title = {Next generation SDH/SONET :},
	publisher = {J. Wiley & Sons,},
	year = {c2005.},
	address = {Chichester, West Sussex, England ; Hoboken, N.J. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0628/2005415032-d.html}
}