Heikki Ailisto Elena Vildjiounaite Mikko Lindholm Satu-Marja Mäkelä Johannes Peltola Soft biometrics - combining body weight and fat measurements with fingerprint biometrics. 325-334 2006 27 Pattern Recognition Letters 5 http://dx.doi.org/10.1016/j.patrec.2005.08.018 db/journals/prl/prl27.html#AilistoVLMP06