Aysu, T. (2013). Production and Characterization of Bio-Chars and Bio-Oils Formed by Pyrolysis of Persian Hogweed (Heracleum persicum Desf.) in A Fixed-Bed Reactor. Journal of Applied Solution Chemistry and Modeling, 2(4), 205–215. https://doi.org/10.6000/1929-5030.2013.02.04.1