“TECHNOLOGICAL OPPORTUNITIES SURVEY OF FOREST SHORT ROTATION PLANTATIONS IN BULGARIA FOR ENERGY BIOMASS PRODUCTION* PART 2: TECHNOLOGY STAGES OF CREATION AND CULTIVATION OF WOOD BIOMASS PLANTATIONS”, INNO, vol. 2, no. 1, May 2013, Accessed: Feb. 25, 2026. [Online]. Available: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/88