DooDB: A Graphical Password Database Containing Doodles and Pseudo-Signatures. - Marcos Martinez-Diaz; Julian Fiérrez; C. Martin-Diaz; Javier Ortega-Garcia (ICFHR, 2010)

A Comparative Evaluation of Finger-Drawn Graphical Password Verification Methods. - Marcos Martinez-Diaz; C. Martin-Diaz; Javier Galbally; Julian Fiérrez (ICFHR, 2010)