author = {Marcos Martinez-Diaz and Julian Fierrez and Javier Galbally and Javier Ortega-Garcia},
journal = {Pattern Recognition Letters},
month = {September},
pages = {1643-1651},
title = {An evaluation of indirect attacks and countermeasures in fingerprint verification systems},
volume = {32},
year = {2011},
doi = {http://dx.doi.org/10.1016/j.patrec.2011.04.005},