@article {Semper1872,
	title = {{\"U}ber Generationswechsel bei Steinkorallen und {\"u}ber das M. Edwards{\textquoteright}sche Wachsthumsgesetz der Polypen},
	journal = {Zeitschrift f{\"u}r Wissenschaftliche Zoologie},
	volume = {22},
	number = {2},
	year = {1872},
	pages = {235{\textendash}280},
	keywords = {SDC, TIP},
	url = {http://books.google.com/books?id=HcEEAAAAQAAJ},
	author = {Semper, C}
}
@book {Sars1872,
	title = {On Some Remarkable Forms of Animal Life from the Great Depths off the Norwegian Coast. I. Partly from the Posthumous Manuscripts of the Late Professor Dr. Michael Sars},
	year = {1872},
	pages = {112},
	publisher = {Brogger {\&} Christie},
	organization = {Brogger {\&} Christie},
	address = {Christiana},
	keywords = {RCBS, SDC, TIP},
	url = {http://archive.org/details/onsomeremarkable00sars},
	author = {Sars, George Ossian}
}
@article {Geinitz1872,
	title = {Das Elbthalgebirge in Sachsen. Zweiter Theil: Der mittlere und obere Quader},
	journal = {Palaeontographica},
	volume = {20},
	year = {1872},
	pages = {1{\textendash}245, pl. 1{\textendash}46},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/palaeontographic202cass},
	author = {Geinitz, H B}
}
@article {Duncan1872,
	title = {A monograph of the British fossil corals. Second series. Part III. Corals from the oolitic strata},
	journal = {Monograph of the Palaeontographical Society},
	volume = {26},
	year = {1872},
	pages = {1{\textendash}24, pl. 1{\textendash}7},
	keywords = {BL, RCBS, TIP},
	url = {http://archive.org/details/monographof261872pala},
	author = {Duncan, P Martin}
}
@book {Dana1872,
	title = {Corals and Coral Islands},
	year = {1872},
	pages = {398},
	publisher = {Dodd {\&} Mead},
	organization = {Dodd {\&} Mead},
	address = {New York},
	url = {http://archive.org/details/coralsandcorali01danagoog},
	author = {Dana, James D}
}
