“Production and Characterization of Bio-Chars and Bio-Oils Formed by Pyrolysis of Persian Hogweed (Heracleum persicum Desf.) in A Fixed-Bed Reactor”, J. Appl. Sol. Chem. Model., vol. 2, no. 4, pp. 205–215, Nov. 2013, doi: 10.6000/1929-5030.2013.02.04.1.