Lee, Sang-im, Woohjung Kim, Jae Choe, and Magne Husby. “Genetic Assessment of the Subspecies Status of Eurasian Magpies (Pica Pica) in Norway”. Ornis Fennica 93, no. 3 (September 30, 2016): 146–158. Accessed November 8, 2024. https://ornisfennica.journal.fi/article/view/133897.