| [var. Titanium-bearing Magnetite] Grachev, A.F. (Ed) (2009) The K/T boundary of Gams (Eastern Alps, Austria) and the nature of terminal Cretaceous mass extinction. The Geological Survey of Austria in cooperation with the Geophysical Center of the Russian Academy of Sciences, Moscow-Vienna, 199 pages, doi:10.2205/2009-GAMSbook (electronic version) Geologische Bundesanstalt [Austria], Abhandlungen (2009), 63, 199 pages (printed version). Grachev, A.F., Borisovsky, S.E., and Grigor'eva, A.V. (2008) The first find of native rhenium in the transitional clay layer at the Cretaceous/Paleogene boundary in the Gams section (Eastern Alps, Austria). Doklady Earth Sciences, 422(7), 1065-1067 |