| DOI | 10.17770/etr1997vol1.1861 |
|---|---|
| Year | 1997 |
| Book | Environment. Technologies. Resources. Proceedings of the 1st International Scientific and Practical Conference |
| Pages | 56-66 |
| Type | article in book |
| Estonian author | |
| Language | English |
| Id | 34125 |
Last change: 1.10.2021