@article {664,
	title = {Some anatomical features subject to variation in <i>Phascolion strombi</i>},
	journal = {Videnskabelige Meddelelser Danske fra Naturhistorisk Forening i Kjobenhaven},
	volume = {88},
	year = {1929},
	pages = {155-164},
	author = {Wesenberg-Lund, E.}
}
