Proceedings of the May 14-16, 1969, spring joint computer conference. Association for Computing Machinery (ACM).
Chicago-viite (17. p.)Proceedings of the May 14-16, 1969, Spring Joint Computer Conference. Association for Computing Machinery (ACM).
MLA-viite (9. p.)Proceedings of the May 14-16, 1969, Spring Joint Computer Conference. Association for Computing Machinery (ACM).
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