Travinskaya Т.V., Brykova А.N., Yu.V. Savelyev, and E.V. Lebedev. “Anion-Active Polyurethanes With Increased Content of Renewable Raw Materials”. Reports of the National Academy of Sciences of Ukraine, no. 11 (May 20, 2024): 76–83. Accessed November 2, 2024. https://nasu-periodicals.org.ua/index.php/dp/article/view/3043.