Proceedings of the 1971 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. Association for Computing Machinery (ACM).
Chicago-viite (17. p.)Proceedings of the 1971 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. Association for Computing Machinery (ACM).
MLA-viite (9. p.)Proceedings of the 1971 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. Association for Computing Machinery (ACM).
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