ROHANOVÁ, Alena. Multi-stage parallel model in determining the quality of structural timber by the penetration method. In Annals of Warsaw University of Life Sciences - SGGW. ISSN 1898-5912, 2021, no. 114, p. 101-109. APVV-17-0206. Dostupné na internete: <https://wulsannals.com/resources/html/article/details?id=221420>