DZURENDA, Ladislav - DUDIAK, Michal. Changes in wood tree species Fagus sylvatica L. and characteristics of the thermal process of modifying its color with saturated water steam. In Advances in ecological and environmental research. ISSN 2517-9454, 2020, vol. 5, issue 4, p. 142-156. APVV-17-0456. Dostupné na internete: <http://www.ss-pub.org/wp-content/uploads/2020/04/AEER2020011501.pdf>