1. Anonymous, Energy in Sweden 1996, NUTEK (Swedish National Board for Industrial and Technical Development), Stockholm, 1996
2. Hektor, B., Lönner, G. and Parikka, M., Trädbränslepotentialen i Sverige på2000-talet—Ett uppdrag för Energikommissionen (Wood fuel potential in Sweden in the 2000s—A project for the Energy Commission), ISSN 0284. SIMS, Swedish University of Agricultural Sciences, Uppsala Serien Utredningar 17, 1995
3. Sources and sinks of carbon dioxides in Sweden;Eriksson;Ambio,1991
4. Lundborg, A., Skogsbränsle och kolbalanser (Forest fuel and carbon balances). In Vattenfall Utveckling AB, Stockholm, Sweden. Project Bioenergy Report no 1994/11, 1994
5. Decomposition of forest litter and soil organic matter—a mechanism for soil organic matter buildup?;Berg;Scan. J. For. Res.,1995