A Model for Allocating Interceptors from Overlapping Batteries: A Method of Dynamic Programming. - Gary E. Swinson; Paul H. Randolph; B. J. Dunn; M. E. Walker; R. D. Williams (Oper. Res., 1971)

Managing the development of reliable software. - R. D. Williams (Reliable Software, 1975)

Direct Volumetric Visualization. - R. D. Williams; Fred L. Wefer; Tip E. Clifton III (IEEE Visualization, 1992)