@conference {marques2015sphericity,
	title = {The sphericity versus equivariance-equicorrelation test},
	booktitle = {AIP Conference Proceedings},
	volume = {1648},
	number = {1},
	year = {2015},
	note = {n/a},
	pages = {540009},
	publisher = {AIP Publishing},
	organization = {AIP Publishing},
	abstract = {n/a},
	author = {Marques,Filipe J. and Coelho, Carlos A}
}
