MINERALOGY AND MICROPALAEONTOLOGY OF THE KINNEKULLE ALTERED VOLCANIC ASH BED (ORDOVICIAN) AT PÄÄSKÜLA, NORTH ESTONIA; pp. 107–118

REFLECTION OF WENLOCK OCEANIC EPISODES AND EVENTS ON THE CHITINOZOAN SUCCESSION OF ESTONIA; pp. 119–126

GEOCHEMISTRY OF LLANDOVERY BLACK SHALES IN THE AIZPUTE-41 CORE, WEST LATVIA; pp. 127–145

ARE ALL SPECIES OF THE MAIN DEVONIAN FIELD ASSIGNED TO THE GENUS Ripidiorhynchus SARTENAER,P., 1966 VALID?; pp. 146–149