@book{230413,
	author = {Heringman, Noah. and ebrary, Inc.},
	title = {Romantic rocks, aesthetic geology},
	publisher = {Cornell University Press,},
	year = {2004.},
	address = {Ithaca, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10457689}
}