author = {Pedro Tome and Julian Fierrez and Ruben Vera-Rodriguez and Mark Nixon},
journal = {IEEE Trans. on Information Forensics and Security},
month = {March},
number = {3},
pages = {464-475},
title = {Soft Biometrics and their Application in Person Recognition at a Distance},
volume = {9},
year = {2014},
doi = {http://dx.doi.org/10.1109/TIFS.2014.2299975},