Deliiski, Nencho, and Natalia Tumbarkova. “COMPUTATION OF THE CHANGE IN THERMAL CONDUCTIVITIES OF POPLAR LOGS DURING THEIR FREEZING”. 2026. Innovation in Woodworking Industry and Engineering Design, vol. 8, no. 1, May 2019, http://innojs.ltu.bg/index.php/scjournal-inno/article/view/275.