A New Technique for Displaying Continuous Tone Images on a Bilevel Display. - John F. Jarvis; Charles S. Roberts (IEEE Trans. Commun., 1976)

Partial-Match Via the Method of Superimposed Codes. - Charles S. Roberts (Proc. IEEE, 1979)

An Associative/Parallel Processor for Partial Match Retrieval Using Superimposed Codes. - Sudhir Ahuja; Charles S. Roberts (ISCA, 1980)