@book{416,
	author = {Hopkinson, Deborah. and Ransome, James,},
	title = {Sky boys : how they built the Empire State Building /},
	publisher = {Dragonfly.},
	year = {2006.},
	address = {New York :},
	edition = {First Dragonfly Books Edition},
	url = {http://www.loc.gov/catdir/enhancements/fy0622/2005010852-d.html}
}