SUMMERS, Ron W; ATKINS, Clare. Selection by Brent Geese Branta bernicla for different leaf lengths of Aster tripolium on saltmarsh. Wildfowl, [S. l.], p. 33–36, 1991. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154074. Acesso em: 17 dec. 2025.