Silurian stratigraphy in Estonia : Recent developments and challengesMännik, Peep; Meidla, Tõnu; Hints, OlleXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 25 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/5ed8b9aa-c29c-43b4-8f3a-3e5495c9d277.pdf