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. (2013). Innovation in Woodworking Industry and Engineering Design, 2(1). http://innojs.ltu.bg/index.php/scjournal-inno/article/view/88