@article {Mulder2001,
	title = {{Long-term effects of changes in goose grazing intensity on arrowgrass populations: a spatially explicit model}},
	journal = {Journal of Ecology},
	volume = {89},
	number = {3},
	year = {2001},
	pages = {406{\textendash}417},
	publisher = {British Ecological Society},
	url = {http://www.jstor.org/stable/3072285},
	author = {Mulder, C.P.H. and Ruess, RW}
}
