| Original language | English |
|---|---|
| Publisher | VTT Technical Research Centre of Finland |
| Number of pages | 28 |
| ISBN (Print) | 951-47-6393-9 |
| Publication status | Published - 1992 |
| MoE publication type | D4 Published development or research report or study |
Publication series
| Series | ETRR Report |
|---|---|
| Number | 15 |
| ISSN | 0787-8117 |