Annotated link http://www.diigo.com/bookmark/http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=PMARCW000006000001015002000001&idtype=cvips
K. Rao, D. Kim, J. Hwang, K. Rao, D. Kim, and J. Hwang. Fast Fourier Transform - Algorithms and Applications, Springer Netherlands, 10.1007/978-1-4020-6629-0_2.(2011)
L. Bahl, R. Bakis, P. Cohen, A. Cole, F. Jelinek, B. Lewis, and R. Mercer. Proceedings of the 1980 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 5, page 872-875. Denver, CO, USA, (April 1980)
H. Lemos, E. Pereira, A. Neto, and F. Barros. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)