Maximum likelihood training of probabilistic neural networks with rotationally related covariance matrices. - Roy L. Streit; Stephen G. Greineder; T. E. Luginbuhi (ICNN, 1995)

Classification of nonstationary narrowband signals using segmented chirp features and hidden Gauss-Markov models. - Phillip L. Ainsleigh; Stephen G. Greineder; Nasser Kehtarnavaz (IEEE Trans. Signal Process., 2005)