Hand Data Interchange Format, Standardization. - Raul Sánchez-Reillo; Samir Tamer (Encyclopedia of Biometrics, 2009)

Time and Attendance. - Samir Tamer; Stephen J. Elliott (Encyclopedia of Biometrics, 2009)

Hand Data Interchange Format, Standardization. - Raul Sánchez-Reillo; Samir Tamer (Encyclopedia of Biometrics, 2015)

Time and Attendance. - Samir Tamer; Stephen John Elliott (Encyclopedia of Biometrics, 2015)