1. Fuchs, M. (2002), “The world lubricants market – year 2001 and outlook”, in Bartz, W.J. (Ed.),Lubricants, Materials and Lubrication Engineering, 13th International Colloquium, 15‐17 January 2002, Technische Akademie Esslingen, Supplement, pp. 11‐26, ISBN 3‐924813‐48‐5.
2. Recent trends in environmentally friendly lubricants
3. Environmentally adapted lubricants in Swedish forest industry – a critical review and case study
4. Norrby, T. and Kopp, M. (2002), “Environmentally adapted lubricants, vehicles for change in the transformation to sustainable industrial practices”,SAE Environmental Sustainability Conference, Paper 25, Graz, Austria.
5. Norrby, T., Torbacke, M. and Kopp, M. (2002), “Environmentally adapted lubricants in the nordic marketplace – recent developments”, in Bartz, W.J. (Ed.),Lubricants, Materials and Lubrication Engineering, 13th International Colloquium, 15‐17 January 2002, Technische Akademie Esslingen, Vol I, pp. 293‐9, ISBN 3‐924813‐48‐5.