1. Pathways to wise management of forests in Europe;Andersson;For. Ecol. Manage.,2000
2. The Principles of Forest Yield Study;Assmann,1970
3. Braastad, H., Tveite, B., 2000. Tynning i granbestand. Effekten på tilvekst, dimensjonsfordeling og okonomi. Rapport fra skogsforskningen 4/00, pp. 1–30 (in Norvegian).
4. Forecasting prices of paper products: focusing on the relation between autocorrelation structure and economic theory;Brännlund;J. For. Econ.,1999
5. Fundamentals of Forest Economics;Duerr,1960