Zyśk-Gorczyńska, Ewa, and Michał Żmihorski. “Ultraviolet Film Reduces bird–glass Collision Risk”. Ornis Fennica 99, no. 2–3 (October 7, 2022): 95–103. Accessed November 21, 2024. https://ornisfennica.journal.fi/article/view/115995.