Cubic spline modeling of speech spectra. - C. David Covington (ICASSP, 1985)

Graphic oriented signal processing language-GOSPL. - C. David Covington; G. E. Carter; D. W. Summers (ICASSP, 1987)

Multiple digital signal processor environment for intelligent signal processing. - Wanda Gass; Richard Tarrant; Basavaraj I. Pawate; Michele Gammel; Periagaram K. Rajasekaran; Richard H. Wiggins; C. David Covington (Proc. IEEE, 1987)