@book{9417,
	author = {Krensky, Stephen. and Green, Norman,},
	title = {Christopher Columbus /},
	publisher = {Random House,},
	year = {c1991.},
	series = {Step into reading. A Step 2 book},
	address = {New York :},
	url = {http://www.loc.gov/catdir/description/random0413/89062507.html}
}