| 1982 | ||
|---|---|---|
| 2 | C. R. Symons, P. Tijsma: A Systematic and Practical Approach to the Definition of Data. Comput. J. 25(4): 410-422 (1982) | |
| 1971 | ||
| 1 | C. R. Symons: A Cost Accounting Formula for Multiprogramming Computers. Comput. J. 14(1): 13-20 (1971) | |
| 1 | P. Tijsma | [2] |