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| 2001 | ||
|---|---|---|
| 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] |