1. The Holocene evolution of soil cover of the Russian Plain;Alexandrovskiy;Eurasian Soil Sci.,1996
2. Evolution of grey forest soils in the foothills of North Caucasus;Alexandrovskiy;Pochvovedenie,1987
3. Soil morphologic properties and weathering zone characteristics as age indicators in Holocene alluvium in the Upper Midwest;Bettis,1994
4. Die Holozane Relief-und Bodenentwicklung in Lossgebieten;Bork;Catena Suppl.,1983
5. Soil Genesis and Classification;Buol,1963