8 kbits/s Speech coder with pitch adaptive vector quantizer. - Satoru Iai; Kazunari Irie (ICASSP, 1986)

Proposal of selection method test pictures in HDTV subjective quality assessments. - Takeshi Tachi; Satoru Iai; Nobuhiko Kitawaki (Comput. Commun. Rev., 1992)