Implementation Concepts for an Extensible Data Model and Data Language. - Don S. Batory; T. Y. Leung; T. E. Wise (ACM Trans. Database Syst., 1988)

GENESIS: An Extensible Database Management System. - Don S. Batory; J. R. Barnett; Jorge F. Garza; K. P. Smith; K. Tsukuda; Brian C. Twichell; T. E. Wise (IEEE Trans. Software Eng., 1988)