@article{article5bb12fd6,
title   = {Photoreceptive organs in larvae of Spionidae (Annelida) and Sipuncula},
author = {Radashevsky, Vasily I. and Migotto, Alvaro Esteves},
year = {2006},
doi = {10.1111/j.1469-7998.2006.00092.x},
journal   = {Journal of Zoology}
}