S. Totong and  P. Daorattanachai and  N. Laosiripojana,  Phenolic-Based Chemical Production from Catalytic Depolymerization of Alkaline Lignin over Fumed Silica Catalyst.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2019, vol. 145(1). 46 - 49
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10009956.