New prediction algorithms by covariance information based on innovation theory. - Seiichi Nakamori; Akira Hataji (Autom., 1981)

New design of linear least-squares fixed-interval smoother using covariance information. - Seiichi Nakamori; Akira Hataji (Autom., 1981)

Relation between filter using covariance information and Kalman filter. - Seiichi Nakamori; Akira Hataji (Autom., 1982)