Dzikowski, T.J., Groat, L.A. and Grew, E.S. (2007) The geometric effects of VFe2+ for VMg substitution on the crystal structures of the grandidierite-ominelite series. American Mineralogist, 92, 863-872
Kellogg, T.B., & Kellogg, D.E., in press. Non-Marine Diatoms From Antarctic and Subantarctic Regions: Biogeographic Distribution and Updated Taxonomy. Koeltz Scientific Books, 794pp.