Estimating the frequencies of sinusoids at low signal to noise ratios using the principal component method in tandem with the Burg algorithm. - Sathyanarayan S. Rao; K. R. Raghavan (ICASSP, 1989)

An eigenstructure based nonparametric algorithm to estimate the frequencies of two sinusoids in white noise. - K. R. Raghavan; Sathyanarayan S. Rao; Gregory H. Wakefield; Purusottam Mookerjee (ICASSP, 1990)

SP Education Laboratory. - Gregory H. Wakefield; B. John Feng; K. R. Raghavan; Michael A. Blommer (ICASSP (5), 1993)