Feature extraction for texture classification. - Harry Wechsler; Todd K. Citron (Pattern Recognit., 1980)

A comparison of some spectral estimation techniques for short data lengths. - Todd K. Citron; Thomas Kailath; V. Umapathi Reddy (ICASSP, 1982)

An improved eigenvector beamformer. - Todd K. Citron; Thomas Kailath (ICASSP, 1984)