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A new highly variable non-marine bivalve fauna and a new species from basal Westphalian D near Osnabriick, Germany with an Appendix: New internal and external features in the genus Anthraconaia
Rock Art in Central Arabia. ByE. Anati. Vols. 1 and2. Bibliothèque du Muséon, Vol. 50. Institut Orientaliste Bibliothèque de l'UniversitêLouvain, 1968.