1. Agrochemical Methods of Soil Examination (Nauka, Moscow, 1965) [in Russian].
2. N. P. Anuchin, Forest Valuation (Moscow, 1982) [in Russian].
3. I. B. Archegova, “Chemical Composition of Lysimetric Water,” in Productivity and Element Turnover in Northern Phytocenoses (Nauka, Leningrad, 1975), pp. 68–83 [in Russian].
4. T. T. Gorbacheva, Extended Abstract of Candidate's Dissertation in Biology (Apatity, 2001).
5. V. V. Dobrovol'skii, Soil Geography with Basics of Soil Science (Prosveshchenie, Moscow, 1976) [in Russian].