@book{12693,
	author = {Dibble, Harold Lewis. and McPherron, Shannon P.},
	title = {Virtual dig :},
	publisher = {Mayfield Pub. Co.,},
	year = {c2000.},
	address = {Mountain View, Calif. :},
	url = {http://www.loc.gov/catdir/description/mh024/99017296.html}
}