Design and implementation of RAQUEL II: a relational query language. - Beverly A. Dutton; Kathryn C. Kinsley (ACM-SE, 1978)

A relational storage scheme suitable for derived views. - James R. Driscoll; Beverly A. Dutton; Kathryn C. Kinsley (ACM Annual Conference (2), 1978)

A relational dbms conforming to an architecture which incorporates a physical storage language and a physical navigation language. - Beverly A. Dutton; Ching-hua Chen; James R. Driscoll (COMPSAC, 1979)