Grakova, O. V., Nikulova, N. Y., & Simakova, Y. S. Geochemical characteristics of weathering crusts on the Dzhezhimparma Ridge and the Nemskaya Upland (South Timan). Saint-Petersburg Mining University.
Chicago Style (17th ed.) CitationGrakova, Oksana V., Nataliya Yu Nikulova, and Yuliya S. Simakova. Geochemical Characteristics of Weathering Crusts on the Dzhezhimparma Ridge and the Nemskaya Upland (South Timan). Saint-Petersburg Mining University.
MLA (9th ed.) CitationGrakova, Oksana V., et al. Geochemical Characteristics of Weathering Crusts on the Dzhezhimparma Ridge and the Nemskaya Upland (South Timan). Saint-Petersburg Mining University.
Warning: These citations may not always be 100% accurate.