Yingjie Wang Chin-Seng Chua Yeong-Khing Ho Ying Ren Integrated 2D and 3D Images for Face Recognition. 48-55 2001 conf/iciap/2001 ICIAP http://doi.ieeecomputersociety.org/10.1109/ICIAP.2001.956984 db/conf/iciap/iciap2001.html#WangCHR01