Lei, T., Wang, Z., Sun, Y., Shi, X., He, X. and Zhu, J. 2013. Grey Relational Analysis for the Production of Dimethyl Ether Syngas in a Biomass Pyrolysis Reactor. Journal of Technology Innovations in Renewable Energy. 2, 1 (Feb. 2013), 53–59. DOI:https://doi.org/10.6000/1929-6002.2013.02.01.7.