B. Livingston and M. Babcock, “Ash Related Issues in Biomass Combustion,” Thermal Net Workshop Proceedings, Glasgow, 2006.
 G. Mtui, “Recent Advancres in Pretreatment of Lignocellulosic Wastes and Production of Value Added Products,” African Journal of Biotechnology, Vol. 8, 2009, pp. 1398-1415.
 P. Harmsen, W. Huijgen, L. Bermudez and R. Bakker, “Liturature Review of Physical and Chemical Pretreatment Processes for Lignocellulosic Biomass,” Energy Reserch Center of the Netherlands, 2010.
 J. Bourgeois, M. Bartholin and R. Guyonnet, “Thermal Treatment of Wood: Analysis of the Obtained Product,” Wood Science and Technology, Vol. 23, No. 4, 1989, pp 303-310.
 C. Di Blasi, “Modeling Chemical and Physical Processes of Wood and Biomass Pyrolysis,” Journal Progress in Energy and Combustion Science, Vol. 34, No. 1, 2008, pp. 47-90.
 C. Hill, “Wood Modification: Chemical, Thermal and Other Processes,” John Wiley & Sons Ltd, Chichester, 2006. http://dx.doi.org/10.1002/0470021748
 F. Beall and H. Eickener, “Thermal Degradation of Wood Components: A Review of the Literature,” U.S.D.A. Forest Service Research Paper, Forest Products Laboratory Service 130, 1970.
 C. Carter, “Physicochemical Properties and Thermal Decomposition of Torrefied Woody Biomass and Energy Crop,” Thesis for the Degree of Master of Science, Auburn, 2012.
 P. Bergman, “Torrefaction for Biomass Upgrading,” 14th Europian Biomass Conference and Exhibition, Paris 2005.
 A. Tsamba, “Fundermental Study of Two Selected Tropical Biomass for Energy: Coconut and Cashew Shells,” Doctoral Thesis in Energy and Furnace Technology, KTH, Stockholm, 2008.
 S. Kim, E. Jang, D. Shinb and K. Lee, “Using Peak Properties of a DTG Curve to Estimate the Kinetic Parameters of the Pyrolysis Reaction: Application to High Density Polyethylene,” Journal of Polymer Degradation and Stability, Vol. 85, No. 2, 2004, pp. 799-805.
 A. Bradbury, S. Yoshio and F. Shafizadeh, “A Kinetic Model for Pyrolysis of Cellulose,” Journal of Applied Polymer Science, Vol. 23, No. 11, 1979, pp. 3271-3280.
 R. Parmar, M. Welling, M. Andreae and G. Helas, “Water Vapor Release from Biomass Combustion,” Atmospheric Chemistry and Physics, Vol. 8, 2008, pp. 6147-6153.
 P. Basu, “Biomass Gasification and Pyrolysis Practical Design and Theory,” Elservier, Oxford, 2010.
 A. Biswas, “Thermochemical Behavior of Pretreated Biomass,” Licentiate Thesis in Energy and Furnace Technology, KTH, Stockholm, 2012.
 M. Mann and P. Spath, “A Life Cycle Assessment of Biomass Co-Firing in a Coal-Fired Power Plant,” Journal of Clean Production Processes, Vol. 3, No. 2, 2001, pp. 81-91.
 W. Stelte, “Steam Explosion for Biomass Pretreatment, Energy and Climate,” Centre for Renewable Energy and Transport Section for Biomass, Danish Technological Institute, 2013.