Shape-preserving interpolation by parametric piecewise cubic polynomials. - Steven C. Ferguson; Steven Pruess (Comput. Aided Des., 1991)

Toward intelligent system health monitoring for NASA robonaut. - Juyi Park; Steven C. Ferguson; Nilanjan Sarkar; Kazuhiko Kawamura; William Bluethmann; Robert O. Ambrose; Ken Alder (Humanoids, 2004)