Simakova, M. S. On the principles of classification of arable soils in Russia. V.V. Dokuchaev Soil Science Institute.
Chicago Style (17th ed.) CitationSimakova, M. S. On the Principles of Classification of Arable Soils in Russia. V.V. Dokuchaev Soil Science Institute.
MLA (9th ed.) CitationSimakova, M. S. On the Principles of Classification of Arable Soils in Russia. V.V. Dokuchaev Soil Science Institute.
Warning: These citations may not always be 100% accurate.