1. The precipitation of iron in podzol soils;Aarnio;Intern. Mitt. Bodenk.,1913
2. Calcium saturation and aerobic bacteria as possible factors in gleization;Albrecht;Soil Sci.,1941
3. Code of stratigraphic nomenclature;American Commission on Stratigraphic Nomenclature;Bull. Am. Assoc. Petrol. Geologists,1961
4. Micromorphological diagnostics of solonetzic soils in the southern chernozem zone;Andronikov,1968
5. Accumulation of iron during decomposition of organo-mineral complexes of humic substances by micro-organisms;Aristovskaya;Dokl. Akad. Nauk,1961