@conference {andreopoulou2011observing,
	title = {Observing the Clustering Tendencies of Head Related Transfer Function Databases},
	booktitle = {Audio Engineering Society Convention 131},
	year = {2011},
	publisher = {Audio Engineering Society},
	organization = {Audio Engineering Society},
	author = {Andreopoulou, Areti and Roginska, Agnieszka and Bello, Juan}
}
