"2018" . "Semi-annual" . . "Yes" . . "1929" . . "Comptes Rendus de la Soci\u00E9t\u00E9 G\u00E9ologique de Finlande" . . . . "Bull. Geol. Soc. Finl." . "Bulletin of the Geological Society of Finland" . . . . "Bulletin of the Geological Society of Finland" . "0367-5211" . . . . "1799-4632" . . "1.231" .