@article {310,
	title = {A classification of the phylum Sipuncula},
	journal = {Bulletin of the British Museum natural History (Zoology)},
	volume = {52},
	number = {1},
	year = {1987},
	pages = {43-58},
	author = {Gibbs, P. E. and Cutler, E. B.}
}
@article {309,
	title = {A new species of Phascolosoma (Sipuncula) associated with a decaying whale{\textquoteright}s skull trawled at 880 m depth in the South-west Pacific},
	journal = {New Zealand Journal of Zoology},
	volume = {14},
	year = {1987},
	pages = {135-137},
	author = {Gibbs, P. E.}
}
