HINDMAN, Larry J.; HARVEY, IV, William F.; CONLEY, Linda E. Spraying corn oil on Mute Swan Cygnus olor eggs to prevent hatching. Wildfowl, [S. l.], p. 186–196, 2014. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153622. Acesso em: 16 dec. 2025.