@article {Felix1891,
	title = {Versteinerungen aus der mexicanischen Jura- und Kreide-Formation},
	journal = {Palaeontographica},
	volume = {37},
	year = {1891},
	pages = {140{\textendash}194, pl. 22{\textendash}30},
	keywords = {RCBS, TIP},
	url = {http://archive.org/details/palaeontographic37cass},
	author = {Felix, Johannes}
}
