1. Moisture control in crawl space;Samuelsson;ASHRAE Technical Data Bulletin,1994
2. L.E. Nevander, B. Elmarson, Fukt Handbok praktik och teori (Handbook of Moisture, Practice and Theory), AB Svensk Byggjänst, Stockholm, 1994 (in Swedish).
3. L.E. Nevander, B. Elmarson, Fuktdimensionering av träkonstruktioner (Riskanalysis), Swedish Council of Building Research, Report R38, 1991.
4. Occurrence and moisture requirements of microbial growth in building materials;Pasanen;International Biodeterioration and Biodegradation,1992
5. H. Viitanen, A.-C. Ritschkoff, Mould Growth in Pine and Spruce Sapwood in Relation to Air Humidity and Temperature, Department of Forest Products, Swedisch University of Agricultural Sciences, Report no. 221, Uppsala, 1991.