1. Sjöström, J. 1990.Detrimental Substances in Pulp and Paper Production28 p.Turku/Åbo, Finland: Åbo Akademi University Press. Doctoral Thesis
2. Thornton, J. 1993.Dissolved and Colloidal Substances in the Production of Wood-containing Paper33 pTurku/Åbo, Finland: Åbo Akademi University Press. Doctoral Thesis
3. Sundberg, K. 1995.Effects of Wood Polysaccharides on Colloidal Wood Resin in Papermaking33 p.Turku/Åbo, Finland: Åbo Akademi University Press. Doctoral Thesis
4. Sundberg, A. 1999.Wood Resin and Polysaccharides in Mechanical Pulps56 pTurku/Åbo, Finland: Åbo Akademi University Press. Doctoral Thesis