Palaeontological approaches to evolution in echinoderms
David, B. (1990). Palaeontological approaches to evolution in echinoderms, in: De Ridder, C. et al. (Ed.) Echinoderm Research. Proceedings of the Second European Conference on Echinoderms, Brussels, Belgium, 18-21 September 1989. pp. 9-16
In: De Ridder, C. et al. (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., meer
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