Iwajomo, Soladoye B., Anders Hedenström, and Ulf Ottosson. “Autumn Phenology and Morphometrics in the Garden Warbler Sylvia Borin at the Ottenby Bird Observatory, Sweden”. Ornis Fennica 89, no. 4 (December 31, 2012): 233–240. Accessed November 24, 2024. https://ornisfennica.journal.fi/article/view/133811.