TY JOUR TI A new look at the nature of the transitional layer at the K/T boundary near Gams, Eastern Alps, Austria, and the problem of the mass extinction of the biota KW K/T boundary KW volcanism KW impact event KW Eastern Alps. JO Russian Journal of Earth Sciences AU Grachev, A.F. AU Korchagin, O.A. AU Kollmann, H.A. AU Pechersky, D.M. AU Tsel'movich, V.A. PY 2005 IS 7 PB Geophysical Center of the Russian Academy of Sciences