@article {Munster1841,
	title = {Beschreibung und Abbildung der in den Kalkmergelschichten von St. Cassian gefundenen Versteinerungen},
	journal = {Beitr{\"a}ge zur Petrefacten-Kunde},
	volume = {4},
	year = {1841},
	pages = {25{\textendash}39, pl. 1{\textendash}4},
	keywords = {JS, RCBS, TIP},
	url = {http://books.google.com/books?id=mb4RAAAAIAAJ},
	author = {M{\"u}nster, Georg Graf}
}
@book {Michelin1841,
	title = {Iconographie zoophytologique. Description par localit{\'e}s et terrains des polypiers fossiles de France, et pays environnants},
	volume = {1},
	year = {1841},
	pages = {1{\textendash}40 (pl. 1{\textendash}3)},
	publisher = {P. Bertrand},
	organization = {P. Bertrand},
	address = {Paris},
	keywords = {BL, JS, RCBS, TIP},
	url = {http://archive.org/details/iconographiezoop00mich},
	author = {Michelin, Hardouin}
}
