TY - CPAPER AU - Juris Katrevičs AU - Olga Miezīte AU - Solveiga Luguza AU - Inga Straupe AU - Baiba Jansone TI - STEM DEFECTS IN LOW-DENSITY NORWAY SPRUCE PLANTATIONS IN HEMIBOREAL FORESTS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Water Resources. Forest, Marine and Ocean Ecosystems PY - 2020 SP - 715 EP - 722 DO - 10.5593/sgem2020/3.1/s14.092 PB - STEF92 Technology ER -