1. Fodstad, F. H. & E. Gunnarsson: Post-mortem examination in the diagnosis of Johne’s disease in goats. Acta vet. scand. 1979, 20, in press.
2. Gunnarsson, E.: Isolation of Mycobacterium paratuberculosis from sheep and cattle in Iceland. In press 1979.
3. Käppier, W.: Über die Verbreitung einer „sauren” Phosphatase innerhalb der Gattung Mycobacterium. (On the occurrence of “acid” phosphatase in mycobacteria). Beitr. Klin. Tuberk. 1964, 129, 210–213.
4. Kubica, G. P., W. D. Jones, V. D. Abbott, R. E. Beam, J. O. Kilburn & J. C. Carter: Differential identification of mycobacteria. I. Tests on catalase activity. Amer. Rev. resp. Dis. 1966, 94, 400–405.
5. Larsen, A. B. & R. S. Merkal: A technique for concentrating Mycobacterium paratuberculosis present in intestinal mucosa. Amer. J. vet. Res. 1961, 22, 1074–1076.