Set-Theoretic Volume Model Evaluation and Picture-Plane Coherence. - Kenneth H. Sears; Alan E. Middleditch (IEEE Computer Graphics and Applications, 1984)

Blend surfaces for set theoretic volume modelling systems. - Alan E. Middleditch; Kenneth H. Sears (SIGGRAPH, 1985)

Software Concurrency in Real Time Control Systems. - Kenneth H. Sears; Alan E. Middleditch (Softw. Pract. Exp., 1985)