- Llandovery carbon isotope trend in Estonia revisited : local versus global signatures and correlationHints, Olle; Kaljo, Dimitri; Männik, Peep; Martma, Tõnu; Ostrov, K.; Tonarova, PetraIGCP 591 : The Early to Middle Paleozoic Revolution : Closing Meeting, Ghent University, Belgium, 6-9 July 2016 : abstracts2016 / p. 46