Thulane Paepae and  Tumisang Seodigeng,  Thermodynamic Attainable Region for Direct Synthesis of Dimethyl Ether from Synthesis Gas.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 114(6). 784 - 790
    [viewed 27 January 2021]. Available from: https://publications.waset.org/pdf/10004779.