Marinov, Konstantin, Zhivko Gochev, and Stanimir Stoilov. (2013) 2013. “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”. Innovation in Woodworking Industry and Engineering Design 2 (1). http://innojs.ltu.bg/index.php/scjournal-inno/article/view/88.