Thunes, K. “The Coleopteran Fauna of <i>Piptoporus betulinus</i> And Fomes Fomentarius (Aphyllophorales: Polyporaceae) in Western Norway”. Entomologica Fennica, vol. 5, no. 3, Sept. 1994, pp. 157-68, doi:10.33338/ef.83813.