1. Administration, U.S. Energy Information, Annual Energy outlook 2017with projections to 2050, J. Phys. A: Math. Theor. (2017) 1-64.
2. Oecd/Iea. Global Energy & CO2 Status Report 2018; 1-15.
3. Administration, U.S. Energy Information, International energy outlook (2017b) 143.
4. A state-of-the-art review of biomass torrefaction, densification and applications;Chen;Renew. Sustain. Energy Rev.,2015
5. S. Morales, R. Miranda, D. Bustos, T. Cazares, H. Tran, J. Anal. Appl. Pyrolysis 109 (2014) 65–78.