Revision of the Late Devonian ptyctodonts (Vertebrata, Placodermi) from southern Poland; pp. 1–14

Wind fetch effect on underwater wind-driven sound; pp. 15–25

Impact of changes in sea ice cover on the wave climate of semi-enclosed, seasonally ice-covered water bodies at temperate latitudes: a case study in the Gulf of Riga; pp. 26–36

Corrigendum to: Cystoblastus and the origin of the Hemicosmitoida (Echinodermata: Blastozoa) (Estonian Journal of Earth Sciences 2021, Vol. 70, No. 3, 165–181); p. 57