N. Deliiski, N. Tumbarkova, and R. Stanev, “MATHEMATICAL DESCRIPTION OF THE SPECIFIC HEAT CAPACITY OF THE WOOD ABOVE THE HYGROSCOPIC RANGE DURING WOOD FREEZING”, INNO, vol. 5, no. 2, Dec. 2016, Accessed: Apr. 14, 2026. [Online]. Available: http://innojs.ltu.bg/index.php/scjournal-inno/article/view/215