Use of the discrete fourier transform in the measurement of frequencies and levels of tones. - David C. Rife; G. A. Vincent (Bell Syst. Tech. J., 1970)

Single tone parameter estimation from discrete-time observations. - David C. Rife; Robert R. Boorstyn (IEEE Trans. Inf. Theory, 1974)

A unification of Cramér-Rao type bounds (Corresp.). - David C. Rife; M. Goldstein; Robert R. Boorstyn (IEEE Trans. Inf. Theory, 1975)

Multiple tone parameter estimation from discrete-time observations. - David C. Rife; Robert R. Boorstyn (Bell Syst. Tech. J., 1976)