@article {Vaughan1920,
	title = {Corals from the Cannonball marine member of the Lance formation},
	journal = {United States Geological Survey Professional Paper},
	volume = {128},
	year = {1920},
	pages = {61{\textendash}66, pl. 10},
	keywords = {RCBS, TIP},
	url = {http://books.google.com/books?id=A0oRAAAAIAAJ},
	author = {Vaughan, Thomas Wayland}
}
@article {Felix1920,
	title = {Jungterti{\"a}re und Quart{\"a}re Anthozo{\"e}n von Timor und Obi},
	journal = {Pal{\"a}ontologie von Timor},
	volume = {8},
	year = {1920},
	pages = {1{\textendash}40 (pl. 128)},
	url = {http://sdrv.ms/18vUE63},
	author = {Felix, Johannes}
}
