Bjerke, T., B. P. Kaltenborn, and C. Thrane. “Sociodemographic Correlates of Fear-Related Attitudes Toward the Wolf (Canis Lupus lupus). A Survey in Southeastern Norway”. Fauna Norvegica, vol. 21, Dec. 2001, pp. 25-33, doi:10.5324/fn.v21i0.5995.