@inbook {1739,
	title = {Species richness},
	booktitle = {Dung beetle ecology},
	year = {1991},
	pages = {350-365},
	publisher = {Princeton},
	organization = {Princeton},
	address = {Princeton, Jersey},
	keywords = {Dung beetles},
	author = {Hanski, I. and Cambefort, Y.},
	editor = {Hanski, I. and Cambefort, Y.}
}
