@article {33937,
	title = {Role of food in hare population cycles},
	volume = {40},
	year = {1983},
	note = {Herbivore-plant interactions at northern latitudes: proceedings of a symposium held 14-18 September, 181, at Kevo, Finland},
	pages = {385-395},
	publisher = {Oikos },
	author = {Keith, Lloyd B.}
}
