Foerste, A. F. (1921). Notes on Arctic Ordovician and Silurian cephalopods, chiefly from Boothia Felix-King William Land, Bache Peninsula, and Bear Island. Journal of the Scientific Laboratories of Denison University. 19: 247-306.
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Foerste, A. F.
1921
Notes on Arctic Ordovician and Silurian cephalopods, chiefly from Boothia Felix-King William Land, Bache Peninsula, and Bear Island
Journal of the Scientific Laboratories of Denison University