| |
| 1998 | ||
|---|---|---|
| 2 | F. H. D. van Batenburg, Ellen de Ridder, Joseph de Kerf: APL Extended Compared With Other Languages According to Halstead's Theory. SIGPLAN Notices 33(6): 54-60 (1998) | |
| 1989 | ||
| 1 | EE | Joseph de Kerf: A note on the Power Operators "loops are harmful". SIGPLAN Notices 24(11): 102-108 (1989) |
| 1 | F. H. D. van Batenburg | [2] |
| 2 | Ellen de Ridder | [2] |