Coelenterate Biology: Recent Research on Cnidaria and Ctenophora Proceedings of the Fifth International Conference on Coelenterate Biology, 1989

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The Cnidaria, Past, Present and Future The world of Medusa and her sisters

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Advances in Nemertean Biology (Developments in Hydrobiology)

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Aquatic Oligochaete Biology: Proceedings of the 4th International Symposium on Aquatic Oligochaete Biology (Developments in Hydrobiology, 51)

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Netherlands-Wetlands Proceedings of a Symposium held in Arnhem, The Netherlands, December 1989

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Thirteenth International Seaweed Symposium Proceedings of the Thirteenth International Seaweed Symposium held in Vancouver, Canada, August 13–18, 1989

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Taxonomy of Porifera: From the N.E. Atlantic and Mediterranean Sea (NATO ASI Series / Ecological Sciences)

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Biology of Copepods Proceedings of the Third International Conference on Copepoda