Author: Deflandre, G., 1938 (1963).:
Title: Microplankton des mers jrassiques conbservés dans les marnes de Villers-sur-Mer (Calvados). Etude liminaire et considéradions générales.
Description: Paris 1963. 4to. Pp. [ii],47,[21], many illustr. on 11 plates, 10 figs. on 2 plates in text, refs. Orig. wrappers. - "Réedition - multicopie et illustration facsimilé" originally published in Trav. Stat. Zoo. Wimereux, vol. 13, 1938.

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