Evaluation of maximum specific optical density for selected wood based materials using PN-EN ISO 5659:2017 method Journal title: Annals of WULS, Forestry and Wood Technology; Zeszyty naukowe SGGW Authors: Waldemar Jaskółowski, Aneta Łukaszek-Chmielewska, PAWEŁ OGRODNIK, Tomasz Sobczak Subject(s):