1. Danielsson B. En marknadsgenomgång från SPG. Proceedings of the conference: Pellets 99. Stockholm: SVEBIO, 1999.
2. Some reactions during chip storage and how to control them;Assarsson;Pulp and Paper Magazine of Canada,1969
3. Sjöström E. Wood chemistry, fundamentals and applications. New York: Academic Press, 1993. p. 1–233.
4. Back E, Hanetho P, Holst G, Johansson I. Spånskivor från färsk träråvara (Particleboards of wood from freshly felled timber.) TräteknikCentrum 1987: Rapport I 8705035.
5. Thermal softening and degradation of wood and bark;Chow;Wood and Fiber,1971