Waldenström, Jonas. “Review of ‘Ageing and Sexing of Migratory East Asian Passerines’ (Norevik G, Hellström M, Liu D & Petersson B, 2020)”. Ornis Svecica 31 (February 9, 2021): 22–24. Accessed July 18, 2024. https://journals.lub.lu.se/os/article/view/22489.