author = {Marcos Martinez-Diaz and Julian Fierrez and Seiichiro Hangai},
booktitle = {Encyclopedia of Biometrics},
editor = {Stan Z. Li and Anil K. Jain},
month = {July},
pages = {1375-1382},
publisher = {Springer},
series = {2nd Ed.},
title = {Signature Features},
year = {2015},
doi = {http://dx.doi.org/10.1007/978-1-4899-7488-4_139},