A priori threshold determination for phrase-prompted speaker verification. - W. D. Zhang; Kwok-Kwong Yiu; Man-Wai Mak; C. K. Li; M. X. He (EUROSPEECH, 1999)

A two-stage scoring method combining world and cohort models for speaker verification. - W. D. Zhang; Man-Wai Mak; M. X. He (ICASSP, 2000)