@article {1720,
	title = {The natural history of dung beetles.  A supplement on associated biota},
	journal = { Revista Latinoamericana de Microbiolog{\'\i}a.},
	volume = {13},
	year = {1971},
	note = {have copy},
	pages = {147-164},
	keywords = {mammals},
	author = {Halffter, G and Matthews, Eric G.}
}
