@book{87263,
	author = {Casti, John L., },
	title = {Would-be worlds : },
	publisher = {J. Wiley,},
	year = {c1997.},
	address = {New York ; },
	note = {Originally published: 1996.},
	url = {http://catalog.hathitrust.org/api/volumes/oclc/34617927.html}
}