Multidimensional DFT processing in subspaces whose dimensions are relatively prime. - Douglas F. Elliott; D. A. Orton (ICASSP, 1979)

Moving Target Tracking Using Symbolic Registration. - I. L. Ayala; D. A. Orton; J. B. Larson; Douglas F. Elliott (IEEE Trans. Pattern Anal. Mach. Intell., 1982)