Schrader, H.-J. & Fenner, J. (1976). Norwegian Sea Cenozoic diatom biostratigraphy and taxonomy. In: Talwani, M., Udintsev, G., et al., Initial Reports of the Deep Sea Drilling Project, vol. 38. Washington (U.S. Government Printing Office). 38: 921-1099.
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Schrader, H.-J. & Fenner, J.
1976
Norwegian Sea Cenozoic diatom biostratigraphy and taxonomy.
In: Talwani, M., Udintsev, G., et al., Initial Reports of the Deep Sea Drilling Project, vol. 38. Washington (U.S. Government Printing Office)