| Bjørklund, K. R. and Kellogg, D. E., 1972. Five new Eocene radiolarian species from the Norwegian Sea. Micropaleontology, vol. 18, no. 3, 386-396. |
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| Bjørklund, K.R., 1976a. Radiolaria from the Norwegian Sea, Leg 38 of the Deep Sea Drilling Project. Initial Reports of the Deep Sea Drilling Project. Washington (U.S. Government Printing Office), vol. 38: 1101-1168. |
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