N. Deliiski and N. Tumbarkova, “COMPUTATION OF THE CHANGE IN THERMAL CONDUCTIVITIES OF POPLAR LOGS DURING THEIR FREEZING”, INNO, vol. 8, no. 1, May 2019, Accessed: Apr. 14, 2026. [Online]. Available: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/275