@book {694,
	title = {Monographia Pneumonopomorum viventium. Sistens descriptiones systematicas et criticas omnium hujus ordines generum et specierum hodie cognitarum, accedente fossilium enumeratione},
	volume = {3},
	year = {1865},
	pages = {284},
	url = {http://www.biodiversitylibrary.org/item/41632$\#$page/65/mode/1up},
	author = {L. Pfeiffer}
}
