@article {de2003biometric,
	title = {Biometric identification systems},
	journal = {Signal Processing},
	volume = {83},
	number = {12},
	year = {2003},
	pages = {2539{\textendash}2557},
	publisher = {Elsevier},
	author = {Rodrigo de Luis-Garc{\'\i}a and Carlos Alberola-Lopez and Aghzout, Otman and Juan Ruiz-Alzola}
}
