@article {Schluter1889,
	title = {Anthozoen des rheinischen Mittel-Devon},
	journal = {Abhandlungen zur Geologischen Specialkarte von Preussen und den Th{\"u}ringischen Staaten},
	volume = {8},
	number = {4},
	year = {1889},
	pages = {259{\textendash}465, pl. 1{\textendash}16},
	keywords = {BL, TIP},
	url = {http://archive.org/details/abhandlungenzurg8589preu},
	author = {Schl{\"u}ter, Clemens}
}
