1. Evaluation of soil/vehicle relationship to lessen damage to forest road and off-road surfaces. A literature and state-of-the-art survey;Bekker,1980
2. Analytical methods and modelling state-of-the-art report;Melzer;J. Terramechanics,1982
3. The condition of newly thinned stands. A study of 101 randomly selected thinnings;Fröding,1982
4. Strip roads and damages caused by machines when thinning stands;Eriksson,1981
5. Growth reduction of trees near strip roads resulting from soil compaction and damaged roots. A literature survey;Wästerlund;Sver. Skogsvårdsförb. Tidskr.,1983