An Overview of GOOD. - Jan Paredaens; Jan Van den Bussche; Marc Andries; Marc Gemis; Marc Gyssens; Inge Thyssens; Dirk Van Gucht; Vijay M. Sarathy; Lawrence V. Saxton (SIGMOD Rec., 1992)

Algebraic Foundation and Optimization for Object Based Query Languages. - Vijay M. Sarathy; Lawrence V. Saxton; Dirk Van Gucht (ICDE, 1993)