Kajtoch, Lukasz, Tomasz Figarski, and Jakub Pelka. “The Role of Forest Structural Elements in Determining the Occurrence of Two Specialist Woodpecker Species in the Carpathians, Poland”. Ornis Fennica 90, no. 1 (March 31, 2013): 23–40. Accessed November 21, 2024. https://ornisfennica.journal.fi/article/view/133819.