@book{68894,
	author = {Gardner, Howard, },
	title = {The unschooled mind :},
	publisher = {BasicBooks,},
	year = {2011.},
	address = {New York :},
	note = {Reprint. Originally published: 1991

"Twentieth-anniversary edition with a new introduction by the author"--Cover},
	url = {http://www.loc.gov/catdir/enhancements/fy0831/91070058-b.html}
}