Lulchev, Teodor, and Videlov Christophоr. “THE ROLE OF POSITIVE TEMPERATURE GRADIENT IN WOOD DRYING”. Innovation in Woodworking Industry and Engineering design 1, no. 2 (December 17, 2012). Accessed April 14, 2026. http://innojs.ltu.bg/index.php/scjournal-inno/article/view/49.