The following publications are possibly variants of this publication:
- Query Languages for Object-Oriented Database Systems: Analysis and a ProposalFrançois Bancilhon. btw 1989: 1-18
- Reloop, an Algebra Based Query Language for an Object-Oriented Database SystemSophie Cluet, Claude Delobel, Christophe Lécluse, Philippe Richard. In Building an Object-Oriented Database System, The Story of O2. pages 256-277, 1992.
- Reloop, an Algebra Based Query Language for an Object-Oriented Database SystemSophie Cluet, Claude Delobel, Christophe Lécluse, Philippe Richard. DOOD 1989: 313-332
- RELOOP, an Algebra Based Query Language for an Object-Oriented Database SystemSophie Cluet, Claude Delobel, Christophe Lécluse, Philippe Richard. DKE, 5:333-352, 1990.