Data management system modelling. A proposal for a conceptual schema language T.B.Steel and J.M. Gallitano (Editor) North-Holland Publishing Company, Amstedam, 1979.
1982 ◽
Vol 24
(4)
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pp. 354
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2014 ◽
Vol 36
(7)
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pp. 1485-1499
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2013 ◽
Vol 6
(3)
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pp. 191-205
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