@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}
}
