1. Barnes, J. R.: Ecology and reproductive biology of Tonicella lineata (Wood, 1815) (Mollusca-Polyplacophora), 149 pp. Ph. D. Thesis, Corvallis, Oregon: Oregon State University 1972.
2. Bayne, B. L.: Primary and secondary settlement in Mytilus edulis (L.) (Mollusca). J. Anim. Ecol. 3, 513–523 (1964).
3. —: Growth and the delay of metamorphosis of the larvae of Mytilus edulis (L.). Ophelia 1965 (2), 1–47 (1965).
4. Carriker, M. R.: Interrelation and functional morphology, behaviour and autecology in early stages of the bivalve Mercenaria mercenaria. J. Elisha Mitchell scient. Soc. 77, 168–242 (1961).
5. Crisp, D. J.: Surface chemistry, a factor in the settlement of marine invertebrate larvae. Botanica Gothoburg. 3, 51–65 (1965).