@article {203,
	title = {Peanut worms (Phylum Sipuncula) from Costa Rica},
	journal = {Rev. Biol. Trop.},
	volume = {40},
	number = {1},
	year = {1992},
	pages = {153-158},
	author = {Cutler, N. J., Cutler, E. B., Vargus, J. A.}
}
