Khursevich, G.K. & VanLandingham, S.L. (1993). Frustular morphology of some centric diatom species from Miocene freshwater sedimentary rocks of western U.S.A. and Canada. Nova Hedwigia, 56(3-4): 389-400
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Khursevich, G.K. & VanLandingham, S.L.
1993
Frustular morphology of some centric diatom species from Miocene freshwater sedimentary rocks of western U.S.A. and Canada.