@book{113123,
	author = {Dor-Ner, Zvi. and Scheller, William.},
	title = {Columbus and the age of discovery},
	publisher = {W. Morrow},
	year = {c1991.},
	address = {New York},
	edition = {1st ed.},
	note = {Companion volume to the PBS television series of the same title.}
}