@article {Reuss1856,
	title = {Betr{\"a}ge zur Charakteristik Der Terti{\"a}rschicten des n{\"o}rdlichen und mittleren Deutschlands},
	journal = {Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch Naturwissenschaftliche Classe},
	volume = {18},
	number = {2},
	year = {1856},
	pages = {197{\textendash}272},
	keywords = {SDC, TIP},
	url = {http://archive.org/details/sitzungsberichte18kais},
	author = {Reuss, A E}
}
@article {DeFromentel1856,
	title = {Note sur les polypiers fossiles de l{\textquoteright}{\'e}tage portlandien de la Haute-Sa{\^o}ne},
	journal = {Bulletin de la Soci{\'e}t{\'e} G{\'e}ologique de France, 2e s{\'e}rie},
	volume = {13},
	year = {1856},
	pages = {851{\textendash}865},
	keywords = {BL, RCBS, TIP},
	url = {http://books.google.com/books?id=36obAAAAMAAJ},
	author = {de Fromentel, E}
}
@book {Catullo1856,
	title = {Dei Terreni di Sedimento Superiore delle Venezie e dei Fossili Bryozoari, Antozoari e Spongiari ai Quali Danno Ricetto},
	year = {1856},
	pages = {88, 19 pl.},
	publisher = {Angelo Sicca},
	organization = {Angelo Sicca},
	address = {Padova},
	keywords = {RCBS, TIP},
	url = {http://hdl.handle.net/2027/hvd.32044107313348},
	author = {Catullo, Tomaso Antonio}
}
