Suomalainen, H., and E. Arhimo. “On the Microbial Decomposition of Cellulose by Wild Gallinaceons Birds (family Tetraonidae)”. Ornis Fennica 22, no. 1 (March 31, 1945): 21–23. Accessed December 26, 2024. https://ornisfennica.journal.fi/article/view/132468.