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2001 | ||
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2 | EE | C. West Churchman, James F. Courtney, G. Lawrence Sanders: Introduction. Information Systems Frontiers 3(2): 139-141 (2001) |
1938 | ||
1 | C. West Churchman: On Finite and Infinite Modal Systems. J. Symb. Log. 3(2): 77-82 (1938) |
1 | James F. Courtney | [2] |
2 | G. Lawrence Sanders | [2] |