Echinoderm Research: Proceedings of the Second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989
De Ridder, C.; Dubois, P.; Lahaye, M.-C.; Jangoux, M. (Ed.) (1990). Echinoderm Research: Proceedings of the Second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989. A.A. Balkema: Rotterdam, Brookfield. ISBN 90-6191-141-9. 343 pp.
