1. Piptoporus betulinus, some aspects of population biology;Adams;PhD thesis, University of Exeter,1982
2. The natural history of recombination systems;Burnett,1965
3. Physiology and decay activity of the birch conk fungus Polyporus betulinus (Bull.);Henningson;Fr. Stud. For, Suecica,1965
4. The Biology of Fungi;Ingold,1963
5. A study of Polyporus betulinus (Bull). Fr.;MacDonald;Annals of Applied Biology,1937