Brown R. C. 2006. Biomass refineries based on hybrid thermochemical-biological processing β an overview. In: Kamm, B., Gruber, P. R., Kamm, M. (Eds.). Biorefineries – Industrial Processes and Products, Volume 1. Wiley-VCH, Weinheim, Germany. Pp. 227β252.
Soltes, E. J. and Elder, T. J. 1981. Pyrolysis. In: Goldstein, I. S. (Ed.). Organic Chemicals from Biomass. CRC Press, Boca Raton, FL, USA. Pp. 63β99.
Bridgwater, A. V., Czernik, S. and Piskorz, J. 2002. The status of biomass fast pyrolysis. In: Bridgwater, A. V. (Ed.). Fast Pyrolysis of Biomass: a Handbook, Volume 2. CPL Press, Newbury, England. Pp. 1β22.
Brink, D. L. 1981. Gasification. In: Goldstein, I. S. (Ed.). Organic Chemicals from Biomass. CRC Press, Boca Raton, FL, USA. Pp. 45β62.
Higman, C. and van der Burgt, M. 2003. Gasification. Elsevier Science, Burlington, MA, USA. 391 p.
Acharys, B., Sule, I. and Dutta, A. 2012. A review on advances of torrefaction technologies for biomass processing. Biomass Conversion and Biorefinery 2:349β369.