1. The morphology of Polygonum bistorta pollen, normally developed and under-developed forms (in Russian);Ananova;Dokl. Akad. Nauk S.S.S.R.,1958
2. Vegetation and its environment in Denmark in the Early Weichselian (last glacial);Andersen;Dan. Geol. Unders., II,1961
3. Main directions of evolution in the genus Rumex L. (Polygonaceae) and its system (in Russian);Borodina;Bot. Z.,1979
4. An atlas of airborne pollen grains and common fungus spores of Canada;Bassett;Res. Branch Can. Dep. Agric. Monogr.,1978
5. Past and Present Vegetation on the Isle of Skye;Birks,1973