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3. E. Hansen, R. Panwar, and R. Vlosky, The Global Forest Sector: Changes, Practices and Prospects (CRC Press, Taylor & Francis Group, New York, 2017).
4. Wood Energy in the ECE Region: Data, Trends and Outlook in Europe, the Commonwealth of Independent States and North America (FAO/UNECE, New York–Geneva, 2018).
5. RU Patent No. 2596683, Byull. Izobret., No. 25 (2016).