Wood, Kevin A., Lei Cao, Preben Clausen, Craig R. Ely, Leho Luigujõe, Eileen C. Rees, Jeffrey Snyder, Diana V. Solovyeva, and RadosÅ‚aw WÅ‚odarczyk. “Current Trends and Future Directions in Swan Research: Insights from the 6th International Swan Symposium”. Wildfowl (November 27, 2019): 1–34. Accessed December 16, 2025. https://tidsskrift.dk/Wildfowl/article/view/154491.