The regional stratotype section and point for the base of the Hirnantian Stage (the uppermost Ordovician) at Mirny Creek, Omulev Mountains, Northeast Russia; pp. 1–10

Ripple marks as indicators of Late Ordovician sedimentary environments in Northwest Estonia; pp. 11–22

Conodont biostratigraphy in the Middle–Upper Ordovician boundary beds of Estonia; pp. 23–38

Use of immobile trace elements for the correlation of Telychian bentonites on Saaremaa Island, Estonia, and mapping of volcanic ash clouds; pp. 39–52