Design of a Balanced Multiple-Valued Filing Scheme of Order Two Based on Cyclically Generated Spread in Finite Projective Geometry - Sumiyasu Yamamoto; Takeaki Teramoto; Kahoru Futagami (Inf. Control., 1972)

Design of a New Balanced File Organization Scheme With the Least Redundancy - Sumiyasu Yamamoto; Hideto Ikeda; Shinsei Shige-eda; Kazuhiko Ushio; Noboru Hamada (Inf. Control., 1975)

Design of a Generalized Balanced Multiple-Valued File Organization Scheme of Order Two. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (SIGMOD Conference, 1978)

Design of Optimal Balanced Filing Schemes. - Sumiyasu Yamamoto (Data Base Design Techniques II, 1979)

Design of a Balanced Multiple Valued File Organization Schema with the Least Redundancy. - Sumiyasu Yamamoto; Shinsei Tazawa; Kazuhiko Ushio; Hideto Ikeda (ACM Trans. Database Syst., 1979)

Further Results on Hyperclaw Decomposition and Balanced Filing Schemes. - Sumiyasu Yamamoto (FODO, 1985)