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1976 | ||
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2 | EE | Claude Deheneffe, Henri Hennebert: NUL: A Navigational User's Language for a Network Structured Data Base. SIGMOD Conference 1976: 135-142 |
1974 | ||
1 | Claude Deheneffe, Henri Hennebert, W. Paulus: Relational Model for a Data Base. IFIP Congress 1974: 1022-1025 |
1 | Henri Hennebert | [1] [2] |
2 | W. Paulus | [1] |