Group delay processing of radar signals. - K. B. Raju; G. R. Reddy; V. V. Rao (ICASSP, 1986)

Signal delay and waveform estimation through differential cepstrum averaging. - G. R. Reddy; V. V. Rao (IEEE Trans. Acoust. Speech Signal Process., 1987)

Mixed phase ARMA system identification by bispectrum: a group delay approach. - S. V. Narasimhan; G. R. Reddy; Eugene I. Plotkin; M. N. S. Swamy (ICASSP, 1991)

Hilbert transform relations for complex signals. - G. R. Reddy; M. N. S. Swamy (Signal Process., 1991)

Phase estimation by bispectrum: A group delay approach. - S. V. Narasimhan; G. R. Reddy; Eugene I. Plotkin; M. N. S. Swamy (Signal Process., 1992)

Group delay based magnitude square coherence estimation by an ARMA model. - S. V. Narasimhan; G. R. Reddy; Eugene I. Plotkin; M. N. Shanmukha Swamy (Signal Process., 1995)