References
- 1. Costanza, R. et al. (2007). Quality of Life: An Approach Integrating Opportunities, Human Needs, and Subjective Well-Being. Ecological Economics, 61, 267-276.
- 2. Pauli, G. (1996). Breakthroughs. What Business Can Offer Society. Epsilon Press Ltd.
- 3. Pauli, G. (1998). Upsizing. The Road to Zero Emissions. More Jobs, More Income andNo Pollution. Greenleaf Publishing.
- 4. Gravitis, J. (1998). A Biochemical approach to attributing value to biodiversity - TheConcept of the Zero Emissions Biorefinery. Presented at the 4th Annual Word Congress on Zero Emissions. Windhoek (Namibia).
- 5. Gravitis, J., & Suzuki, M. (1999). Biomass Refinery - a Way to Produce Value-AddedProducts and Base for Agricultural Zero Emissions System. Proceedings of 1999 International Conference on Agricultural Engineering. Beijing (China).
- 6. Gravitis, J. (1999). Biorefinery and Lignocellulosics Economy Towards ZeroEmissions. In: Targeting Zero Emissions for the Utilisation of Renewable Resources (Biorefinery, Chemical Risk Reduction, Lignocellulosic Economy), Eds. K. Iijama, J. Gravitis, A. Sakoda, Tokyo, Japan, Published by UNU/IAS, ANESC/UT and IIS/UT, 2-11.
- 7. Gravitis, J. (2008). Biorefinery: Biomaterials and Bioenergy from Photosynthesis,within Zero Emissions Framework. Sustainable Energy Production and Consumption. NATO Science for Peace and Security Series- C: Environmental Security. Eds. F. Barbir, S. Ulgiati. Springer, 327-337.
- 8. Gravitis, J. (2006). Green biobased chemistry platform for sustainability. In:Environmental Education, Communication and Sustainability, Peter Lang Publishers House, Frankfurt am Maim, Berlin, Bern, Brussels, New York, Oxford, Wien,Vol.23, 145-160.
- 9. Kamm, B., & Kamm, M. (2004). Principles of biorefineries. Applied Microbiology and Biotechnology, 64(2). 137-145.
- 10. Kamm, B. et al. (2006). Lignocellulosic feedstock biorefinery - combination of technologies of agroforestry and a biobased substance and energy economy. Forum der Forchung, 19, 53-62.
- 11. Lange, I-P. (2007). Lignocellulose conversion: an introduction to chemistry, process and economics (review). Biofuels, Bioprod. Bioref., 1, 39-48.
- 12. Gruber, P., Henton, DE., & Starr, J. (2006). Polylactic acid from renewable resources. In: Biorefineries - Industrial processes and products. Status quo and future directions. Kamm B, Gruber PR, and Kamm M (eds), Vol. 2, 381-407, Wiley-VCH.
- 13. Gravitis, J. (1987). Theoretical and applied aspects of the steam explosion plant biomass autohydrolysis method. Khimiya Drevesiny (Wood Chemistry), 5, 3-21. (Review, in Russian).
- 14. Kallavus, U., & Gravitis, J. (1995). Comparative investigation of the ultrastructure of steam exploded wood with light, scanning and transmission electron microscopy,Holzforschung, 49, 182-188.
- 15. Kukle, S., Gravitis, J., & Putnina, A. (2012). Processing parameters influence on disintegration intensity of technical hemp fibres. J. of Biobased Materials andBioenergy, 6, 1-8.
- 16. Overend, R.P., & Chornet,, E. (1987). Fractionation of lignocellulosics by steam aqueous pretreatments. Philos. Trans. R. Soc. Lond. Ser. A-Math. Phys. Eng. Sci., 321 (1561), 523-536.
- 17. Gravitis, J. (1997). Material Separation Technologies. In: Proceedings of the Second Annual UNU World Congress on Zero Emissions, May 29-31, 1996, Chattanooga, Tennessee, USA. Published by the United Nations University, Institute of Advanced Studies, Tokyo, 168-173.
- 18. Carere, C, R. et al. (2008). Third generation biofuels via direct cellulose fermentation. Int. J. Mol. Sci., 9(7), 1342-1360.
- 19. Gravitis, J., & Abolins, J. (2007). Biomass conversion to chemicals and nanomaterials. 15th European Biomass Conference & Exhibition, 7-11 May, Berlin (Germany).
- 20. Abolins, J., & Gravitis, J. (2007). Biomass conversion to transportation fuels, combustibles, and nano-materials by steam explosion. Latv. J. Phys. Tech. Sci., (4), 29-39.
- 21. Odum, H.T. (1996). Environmental Accounting. Emergy and Environmental DecisionMaking. New York, etc.: John Wiley & Sons.
- 22. Brown, M. T, & Ulgiati, S. (2004). Encyclopedia of Energy 2: Elsevier, 329.
- 23. Nagyvary, J., DiVerdi, J.A., Owen, N.L., & Tolley, H.D. (2006). Wood used by Stradivari and Guarneri. Nature, 444, 565.
- 24. Erins, P. (1977). Wood structure and properties as polymer components system. WoodChemistry, 1, 8-25 (in Russian).
- 25. Gravitis, J. (1994). The Lignin Structure from the Point of View of the Riga Group, - International Lignin Institute. Lignin Newsletter, 2, 2-4.
- 26. Vainio, U., Maximova, N., Hortling, Bo., Laine, J., Stenius, P., Simola, L.K., Gravitis, J., & Serimaa, R. (2004). Morphology of dry lignins and size and shape of dissolved lignin particles by x-ray scattering. Langmuir, 20, 9736 - 9744.
- 27. Leaflet: Fachagentur Nachwachsende Rohstoffee.V. (distributed at the 15th European Biomass Conference, Berlin, 2007, FNR, 2008).
- 28. Spangenberg, J. H. (2008). Biomass or Biomess? The Promises and Limits ofBioenergy. In: NATO Science for Peace and Security Series- C: Environmental Security. Eds. F. Barbir, S. Ulgiati. Springer, 55-65.