@book{16996,
	author = {Gibson, David},
	title = {Digital simulations for improving education},
	publisher = {Information Science Reference,},
	year = {c2009},
	address = {Hershey, PA :},
	note = {"Premier reference source"--Cover},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=253928}
}