@article {577,
	title = {Die Sipunculiden, eine systematische Monographie},
	journal = {Semper Reisen in Archipel Phillippinen 2},
	volume = {4},
	year = {1883},
	note = {good plates @ GERMAN},
	pages = {1-131},
	author = {Selenka, E. and de Man, J. G. and Bulow, C.}
}
