1. Scott D. S. and Piskorz J. (1982), Can. J. Chem. Eng., 60, p. 666.
2. Medina E. and Cuevas A. (1991), in “6th EC Conference on Biomass for Energy, Industry and Environment”, (ed. G. Grassi et a1.), pp. 1200–1205.
3. Knight, J. A., Gorton, C. W., Kovac R. J. and Newman, C. J. (1985), in “1985 Biomass Thermochemical Conversion Contractors Meeting.
4. Diebold, J. and Scahill, J. (1987), in “ACS Symposium on Production, Analysis and Upgrading of Pyrolysis Oils from Biomass”, p. 21.
5. Bridgwater, A. V. and Peacocke, G. C. (1994), in proceedings “Biomass Pyrolysis Oil Properties and Combustion Meeting, available from NTIS, US Department of Commerce, p. 109.