@article {Amat1995,
	title = {Effects of wintering greylag geese Anser anser on their Scirpus food plants},
	journal = {Ecography},
	volume = {18},
	number = {2},
	year = {1995},
	pages = {155{\textendash}163},
	issn = {0906-7590},
	doi = {10.1111/j.1600-0587.1995.tb00336.x},
	url = {http://doi.wiley.com/10.1111/j.1600-0587.1995.tb00336.x},
	author = {Amat, Juan A.}
}
