@article {33,
	title = {The environmental basis of North American species richness patterns among Epicauta (Coleoptera: Meloidae)},
	journal = {Biodiversity \& ConservationBiodiversity \& Conservation},
	volume = {8},
	number = {5},
	year = {1999},
	pages = {617-628},
	isbn = {0960-3115},
	author = {Kerr, Jeremy T and Packer, Laurence}
}
@article {36,
	title = {Habitat heterogeneity as a determinant of mammal species richness in high-energy regions},
	journal = {NatureNature},
	volume = {385},
	number = {6613},
	year = {1997},
	pages = {252-254},
	isbn = {0028-0836},
	author = {Kerr, Jeremy T and Packer, Laurence}
}
