| |
| 1985 | ||
|---|---|---|
| 1 | Robert G. Mays, Leonard S. Orzech, William A. Ciarfella, Richard W. Phillips: PDM: A Requirements Methodology for Software System Enhancements. IBM Systems Journal 24(2): 134-149 (1985) | |
| 1 | William A. Ciarfella | [1] |
| 2 | Robert G. Mays | [1] |
| 3 | Richard W. Phillips | [1] |