Ng, W. An extension of the relational data model to incorporate ordered domains. ACM transactions on database systems..
Chicago-referens (17:e uppl.)Ng, Wilfred. "An Extension of the Relational Data Model to Incorporate Ordered Domains." ACM Transactions on Database Systems. .
MLA-referens (9:e uppl.)Ng, Wilfred. "An Extension of the Relational Data Model to Incorporate Ordered Domains." ACM Transactions on Database Systems., .
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