1. Tetrapod or near-tetrapod fossils from the Upper Devonian of Scotland;Ahlberg;Nature,1991
2. Conodonts of the Famennian-Tournaisian boundary deposits of the central part of the Russian platform;Alekseev;Service Géologique de Belgique, Professional Paper,1979
3. The postcranial skeleton of rhipidistian fishes excluding Eusthenopteron;Andrews;Transactions of the Royal Society of Edinburgh,1970
4. The zonal scale of the Carboniferous of the East-European platform using the conodont data;Barskov,1984
5. On the biostratigraphic determination and choosing of the Devonian-Carboniferous boundary type section;Barskov;Bulletin of the Moscow Naturalist's Society, Geology,1985