Andersson, Reino. “The Second World War Ruined Cities and Their Importance for the Expansion of the Black Redstart Phoenicurus Ochruros in Northern Europe”. Ornis Svecica 25, no. 1–2 (April 1, 2015): 45–50. Accessed November 22, 2024. https://journals.lub.lu.se/os/article/view/19601.