The effect of birch (Betula pendula Roth) face veneer thickness on the reaction to fire properties of fire-retardant treated plywoodAlao, Percy Festus; Dembovski, Karl Harold; Rohumaa, Anti; Ruponen, Jussi; Kers, JaanConstruction and building materials2024 / art. 136242 https://doi.org/10.1016/j.conbuildmat.2024.136242