| Original language | Finnish |
|---|---|
| Place of Publication | Helsinki |
| Number of pages | 30 |
| Publication status | Published - 1985 |
| MoE publication type | D4 Published development or research report or study |
Publication series
| Series | YJT Raportti |
|---|---|
| Number | 85-13 |
| ISSN | 0359-548X |