Kryštofková, M., A. Exnerová, and J. Porkert. “Parental Foraging Strategies and Feeding of Nestlings in Common Redstart Phoenicurus Phoenicurus”. Ornis Fennica 83, no. 2 (July 1, 2006): 49–58. Accessed May 17, 2024. https://ornisfennica.journal.fi/article/view/133654.