Palaeontology of Harrar Province, Ethiopia. Part 3, Jurassic Anthozoa and Hydrozoa. Bulletin of the AMNH ; v. 82, article 2
Brown, Barnum, 1873-1963 Dudley Expedition of the Anglo-American Oil Company (1920-1921) Wells, John West, 1907-1994
Book
1943
English
Wikidata: https://www.wikidata.org/entity/Q51516271
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