@article {1719,
	title = {The natural history of dung beetles of the subfamily Scarabaeinae (Coleoptera: Scarabaeidae)},
	journal = {Folia Entomologica Mexicana},
	volume = {12-14},
	year = {1966},
	pages = {1-312},
	author = {Halffter, G and Matthews, E. G.}
}
@article {1998,
	title = {The natural history of dung beetles of the subfamily Scarabaeinae (Coleoptera, Scarabaeidae)},
	journal = {Folia Entomologica Mexicana},
	volume = {12-14},
	year = {1966},
	note = {have copy- need to scan},
	pages = {1-312},
	keywords = {dung beetle, food, mammals, resources},
	author = {Matthews, E. G. and Halffter, Gonzalo}
}
