Olsvik, Ørjan, and Bjørn B. Berdal. “Survey of Antibodies Against Francisella Tularensis and Some Enteropathogenic Bacteria in the Hooded Crow Corvus Corone Cornix”. Fauna norvegica 4 (December 31, 1983): 29-30. Accessed November 22, 2024. https://www.ntnu.no/ojs/index.php/fauna_norvegica/article/view/6132.