Andersson, Geir Sverre, and Per Gylseth. “The Migration Routes of the Bluethroat Luscinia S. Svecica”. Ornis Svecica 2, no. 2 (April 1, 1992): 91–92. Accessed May 11, 2025. https://journals.lub.lu.se/os/article/view/23061.