@article {Toula1880,
	title = {Geologische Untersuchungen im westlichen Theile des Balkan und in den angrenzenden Gebieten. (IX.) Von Ak-Palanka {\"u}ber Ni{\v s}, Leskovac und die Rui Planina bei Trn, nach Pirot},
	journal = {Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch Naturwissenschaftliche Classe},
	volume = {81},
	year = {1880},
	pages = {188{\textendash}266, pl. 1{\textendash}6},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/sitzungsberich811880kais},
	author = {Toula, Franz}
}
@article {Roemer1880,
	title = {Notiz {\"u}ber Belemnites ambiguus Morton aus der Kreide von New-Jersey},
	journal = {Neues Jahrbuch f{\"u}r Mineralogie, Geologie und Pal{\"a}ontologie},
	volume = {1880},
	number = {2},
	year = {1880},
	pages = {115{\textendash}117},
	keywords = {RCBS, TIP},
	url = {http://hdl.handle.net/2027/nyp.33433062730266},
	author = {Roemer, Ferdinand}
}
@article {Duncan1880,
	title = {A monograph of the fossil corals and Alcyonaria of Sind},
	journal = {Memoirs of the Geological Survey of India, Palaeontologia Indica, Series XIV},
	volume = {1},
	year = {1880},
	pages = {1{\textendash}110, pl. 1{\textendash}28},
	keywords = {RCBS, TIP},
	url = {http://sdrv.ms/Tu7Efz},
	author = {Duncan, P Martin}
}
@article {Eck1880,
	title = {Beitrag zur Kenntnis des s{\"u}ddeutschen Muschelkalks},
	journal = {Zeitschrift der Deutschen Geologischen Gesellschaft},
	volume = {32},
	year = {1880},
	pages = {32{\textendash}55, pl. 4},
	keywords = {ER, TIP},
	url = {http://books.google.com/books?id=FIUPAAAAIAAJ},
	author = {Eck, H}
}
@article {DePourtales1880,
	title = {Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Caribbean Sea, 1878-79, by the United States Coast Survey Steamer "Blake". VI: Report on the corals and Antipatharia},
	journal = {Bulletin of the Museum of Comparative Zo{\"o}logy},
	volume = {6},
	year = {1880},
	pages = {95{\textendash}120, pl. 1{\textendash}3},
	keywords = {RCBS, SDC, TIP},
	url = {http://books.google.com/books?id=fpTPAAAAMAAJ},
	author = {de Pourtal{\`e}s, L F}
}
