@book {561,
	title = {Gronlands brachiopoder og bloddyr},
	series = {Brachiopoda et Mollusca},
	volume = {23},
	year = {1898},
	pages = {298},
	publisher = {Meddelelser om Gronland},
	organization = {Meddelelser om Gronland},
	edition = {19},
	author = {H.J. Posselt and Ad.S. Jensen}
}
