Athanasios Vogiannou Konstantinos Moustakas Dimitrios Tzovaras Michael G. Strintzis A First Approach to Contact-Based Biometrics for User Authentication. 838-846 2009 ICB http://dx.doi.org/10.1007/978-3-642-01793-3_85 conf/icb/2009 db/conf/icb/icb2009.html#VogiannouMTS09