@article {Keferstein1859,
	title = {Die Korallen der norddeutschen Terti{\"a}rgebilde},
	journal = {Zeitschrift der Deutschen Geologischen Gesellschaft},
	volume = {11},
	year = {1859},
	pages = {354{\textendash}383, pl. XIV{\textendash}XV},
	keywords = {RCBS, SDC, TIP},
	url = {http://hdl.handle.net/2027/hvd.32044107212953},
	author = {Keferstein, W}
}
