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