1.
Middleton BA, van der Valk AG. The food habits of Greylag and Barheaded Geese in the Keoladeo National Park, India. Wildfowl [Internet]. 1987 Nov. 1 [cited 2026 Jul. 26];38:94-102. Available from: https://tidsskrift.dk/Wildfowl/article/view/154807