@article {1710,
	title = {Historical and ecological factors determining the geographic distribution of beetles (Coleoptera: Scarabaeidae: Scarabaeinae)},
	journal = {Folia Entomologica Mexicana},
	volume = {82},
	year = {1991},
	pages = {195-238},
	keywords = {Dung beetles},
	author = {Halffter, G}
}
