Lohman, K.E. (1941). Geology and biology of North Atlantic deep-sea cores between Newfoundland and Ireland, Part 3, Diatomaceae. United States Geological Survey Professional Paper, (196B): 55-93, pls. 12-17.
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Lohman, K.E.
1941
Geology and biology of North Atlantic deep-sea cores between Newfoundland and Ireland, Part 3, Diatomaceae.
United States Geological Survey Professional Paper