@book {Wanderer1909,
	title = {Die Wichtigsten Tierversteinerungen aus der Kreide des K{\"o}nigreiches Sachsen},
	year = {1909},
	pages = {80, 12 pl.},
	publisher = {G. Fischer},
	organization = {G. Fischer},
	address = {Jena},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/diewichtigstenti00wand},
	author = {Wanderer, Karl}
}
@book {Grabau1909,
	title = {North American Index Fossils},
	volume = {1},
	year = {1909},
	pages = {853},
	publisher = {A. G. Seiler {\&} Company},
	organization = {A. G. Seiler {\&} Company},
	address = {New York},
	keywords = {RCBS, TIP},
	url = {http://books.google.com/books?id=zroRAAAAIAAJ},
	author = {Grabau, Amadeus W and Shimer, Hervey Woodburn}
}
