00694naa#a2200205#i#450# EN\\bibl\47037 20241109070424.6 1681-1208 20051225b2005####ek#y0engy0150####ca RU 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 Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2005 44 с. Journal article local Grachev A F Korchagin O A Kollmann H A Pechersky D M Tsel'movich V A rjes.ru