1. Annual carbon budgets for Scots pine;Ågren;Swed. Univ. Agr. Sci., Dept. of Ecol. and Env. Res., Uppsala. Swed. Con. For. Proj., Techn. Rep. No 25,1980
2. Annual carbon budget for a young Scots pine;Ågren,1980
3. Tree Roots and Slope Stability;Anon,1981
4. Growth and mechanical impedance;Bennie,1991
5. Rötfrekvens i högproduktiva granskogar;Bernhardsson,1986