@article {888,
	title = {Limiting factors on the distribution of shell/tube-dwelling sipunculans},
	journal = {Journal of Experimental Marine Biology and Ecology},
	volume = {446},
	year = {2013},
	month = {08/2013},
	pages = {345-354},
	chapter = {345},
	keywords = {Artificial sampling unit, Aspidosiphon, ecology, phascolion, Shelter availability, Sipuncula},
	doi = {http://dx.doi.org/10.1016/j.jembe.2013.06.011},
	url = {http://www.sciencedirect.com/science/article/pii/S002209811300230X},
	author = {L.M. Ferrero-Vicente and C. Marco-M{\'e}ndez and {\'A}. Loya-Fern{\'a}ndez and JL S{\'a}nchez-Lizaso}
}
@article {886,
	title = {First record of the sipunculan worm Phascolion (Phascolion) caupo Hendrix, 1975 in the Mediterranean Sea},
	journal = {Mediterranean Marine Science},
	volume = {13},
	year = {2012},
	month = {04/2012},
	pages = {89-92},
	chapter = {89},
	keywords = {Mediterranean, Phascolion caupo, Sipuncula},
	doi = {10.12681/mms.24},
	url = {http://www.medit-mar-sc.net/index.php/marine/article/view/24},
	author = {L.M. Ferrero-Vicente and {\'A}. Loya-Fern{\'a}ndez and E. Martinez-Garcia and Saiz-Salinas, J. I. and J.L. Sanchez-Lizaso}
}
