@book {Morton1834,
	title = {Synopsis of the Organic Remains of the Cretaceous Group of the United States},
	year = {1834},
	pages = {88, 19 pl.},
	publisher = {Key {\&} Biddle},
	organization = {Key {\&} Biddle},
	address = {Philadelphia},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/synopsisoforgani00mort},
	author = {Morton, Samuel G}
}
