@article {34796,
	title = {Structure in temperate predaceous diving beetle communities (Coleoptera: Dytiscidae)},
	volume = {8},
	year = {1985},
	pages = {18-32},
	publisher = {Ecography},
	url = {http://www.jstor.org/stable/3682483},
	author = {Larson, David J.}
}
