WASET
    Luísa P. Cruz-Lopes and  Liliana Rodrigues and  Idalina Domingos and  José Ferreira and  Luís Teixeira de Lemos and  Bruno Esteves,  Production of Polyurethane Foams from Bark Wastes.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2016, vol. 116(8). 1069 - 1072
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/10005168.