| |
| 1983 | ||
|---|---|---|
| 2 | EE | Pirkko Pietiläinen: Local feedback and intelligent automatic query expansion. Inf. Process. Manage. 19(1): 51-58 (1983) |
| 1982 | ||
| 1 | EE | Pirkko Pietiläinen: Relation of resemblance in information retrieval. Inf. Process. Manage. 18(2): 55-59 (1982) |