Valters, Arvis, and Dainis Lazdāns. 2016. “RECOMMENDATIONS FOR SUSTAINABLE MANAGEMENT OF WOOD RESOURCES IN KRĀSLAVAS DISTRICT”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 20 (April): 342-48. https://doi.org/10.17770/het2016.20.3510.