Multiphase Silurian bentonites from western Estonia: possible diagenetic pathwaysHints, Rutt; Kirsimäe, Kalle; Somelar, P.; Kallaste, Toivo; Kiipli, TarmoThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 25