| Original language | Finnish |
|---|---|
| Place of Publication | Espoo |
| Number of pages | 21 |
| Publication status | Published - 1998 |
| MoE publication type | D4 Published development or research report or study |
Publication series
| Series | Tielaitoksen tutkimuksia |
|---|---|
| Number | 477 |
| ISSN | 0788-3706 |