Qi, W.Y., et al. “Catalytic Performance of Ultrastable Y Type Zeolite and Mg-Modified Ultrastable Y Type Zeolite on the Pyrolysis of Neosinocalamus Affinis”. Asian Journal of Chemistry, vol. 25, no. 7, Feb. 2013, pp. 4005-8, doi:10.14233/ajchem.2013.13876.