Nielsen, Bo, and Staffan Bensch. 1995. “Post-Fledging Movements of Juvenile Reed Warblers Acrocephalus Scirpaceus and Sedge Warblers Acrocephalus Schoenobaenus”. Ornis Svecica 5 (3–4). Lund, Sweden:125-31. https://doi.org/10.34080/os.v5.23001.