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1Specifications of Database Systems [electronic resource] : International Workshop on Specifications of Database Systems, Glasgow, 3–5 July 1991 / Specifications of Database Systems [electronic resource] : International Workshop on Specifications of Database Systems, Glasgow, 3–5 July 1991 /Texto bibliotecaCOLPOS
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2Specifications of Database Systems [electronic resource] : International Workshop on Specifications of Database Systems, Glasgow, 3–5 July 1991 / Specifications of Database Systems [electronic resource] : International Workshop on Specifications of Database Systems, Glasgow, 3–5 July 1991 /Texto bibliotecaCOLPOS