P. Lewis

Application of the fast Fourier transform to computation of Fourier integrals, Fourier series, and convolution integrals

J. Cooley, P. Lewis, P. Welch, 1967, IEEE Transactions on Audio and Electroacoustics.

The finite Fourier transform

P. Lewis, P. Welch, J. Cooley, 1969 .

The fast Fourier transform algorithm: Programming considerations in the calculation of sine, cosine and Laplace transforms☆

Peter D. Welch, James W. Cooley, P.A.W. Lewis, 1970 .

The Fast Fourier Transform and Its Applications

Peter D. Welch, James W. Cooley, P.A.W. Lewis, 1969 .

The application of the fast Fourier transform algorithm to the estimation of spectra and cross-spectra

Peter D. Welch, James W. Cooley, P.A.W. Lewis, 1970 .

Historical notes on the fast Fourier transform

P. Lewis, J. Cooley, P. Welch, 1967, IEEE Transactions on Audio and Electroacoustics.