Multi-Level Structures of the DBTG Data Model for an Achievement of Physical Data Independence. - Tetsuo Toh; Seiichi Kawazu; Kenji Suzuki (VLDB, 1977)

Two-Phase Deadlock Detection Algorithm in Distributed Databases. - Seiichi Kawazu; Susumu Minami; Kenji Itoh; Katsumi Teranaka (VLDB, 1979)