Nielsen, Bo, and Staffan Bensch. “Post-Fledging Movements of Juvenile Reed Warblers Acrocephalus Scirpaceus and Sedge Warblers Acrocephalus Schoenobaenus”. Ornis Svecica 5, no. 3–4 (October 1, 1995): 125–131. Accessed November 22, 2024. https://journals.lub.lu.se/os/article/view/23001.