Partial rotation invariance in retinal pattern recognition. - Richard D. Juday; Jerome Knopp; Colin Soutar; R. Shane Barton (Visual Information Processing, 1994)

Implementation of Biometric Systems - Security and Privacy Considerations. - Colin Soutar (Inf. Secur. Tech. Rep., 2002)

Access Control, Physical. - Colin Soutar (Encyclopedia of Biometrics, 2009)

Access Control, Physical. - Colin Soutar (Encyclopedia of Biometrics, 2015)