| Original language | Finnish |
|---|---|
| Place of Publication | Tampere |
| Number of pages | 46 |
| Publication status | Published - 1990 |
| MoE publication type | D4 Published development or research report or study |
Publication series
| Series | Työsuojeluhallitus. Selvityksiä |
|---|---|
| Volume | 20 |
| ISSN | 0357-4458 |