@book {622,
	title = {Die fossile Flora der Grenzschichten des Keupers und Lias Frankens},
	year = {1867},
	pages = {232},
	publisher = {C.W. Kreidel{\textquoteright}s Verlag},
	organization = {C.W. Kreidel{\textquoteright}s Verlag},
	address = {Wiesbaden},
	url = {http://books.google.nl/books?id=LKtAAAAAcAAJ},
	author = {Schenk, August}
}
