@book {Roemer1836,
	title = {Die Versteinerungen der Norddeutschen Oolithen-Gebirges},
	year = {1836},
	pages = {218, 16 pl.},
	publisher = {Im Verlage Hahn{\textquoteright}schen Hofbuchhandlung},
	organization = {Im Verlage Hahn{\textquoteright}schen Hofbuchhandlung},
	address = {Hannover},
	keywords = {BL, TIP},
	url = {http://books.google.com/books?id=pONYAAAAYAAJ},
	author = {Roemer, Friedrich Adolph}
}
@book {Lamarck1836,
	title = {Histoire naturelle des animaux sans vert{\`e}bres. Deuxi{\`e}me {\'e}dition. Tome deuxi{\`e}me: histoire des polypes},
	year = {1836},
	pages = {684},
	publisher = {Bailli{\`e}re},
	organization = {Bailli{\`e}re},
	address = {Paris},
	url = {http://books.google.com/books?id=cgEOAAAAQAAJ},
	author = {Lamarck, Jean-Baptiste Pierre}
}
