@book{4191,
	author = {Halffter, Gonzalo and Edmonds, W. D., },
	title = {The nesting behavior of dung beetles (Scarabaeinae) :},
	publisher = {Instituto de Ecología, },
	year = {1982},
	series = {Publication ;},
	address = {México :},
	note = {This publication is part of the Man and the Biosphere Program (MAB) UNESCO},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/4239.pdf}
}