1. Anonymous: Ministry of Agriculture and Forestry: Utaretulehduksen torjunta. Mastitis Control. Helsinki, Report 19, 1989.
2. Anonymous: Central Statistical Office Statistical Yearbook of Finland. Goverment Printing Center, Helsinki, 1951 -1990.
3. Archer GR Staphylococcus epidermidis and other coagulase-negative staphylococci. In: GL Mandell, RG Douglas & JE Bennett (eds): Principles and practice of infectious diseases. Churchill and Livingstone, New York, 1990, p. 1511–1518.
4. Bergey’s Manual Trust: Bergey’s Manual of Determinative Bacteriology. Williams & Wilkins, Baltimore, USA, 1939–1974.
5. Birgersson A, Jonsson P, Holmberg O Species identification and some characteristics of coagulasenegative staphylococci isolated from bovine udders. Vet. Microbiol. 1992, 31, 181–189.