 |
| Angielski tezaurus | |||
| |||
| DES | |||
|
Data Evaluation System : 3 do fraz, 3 tematyki |
| Nauka o ziemi | 1 |
| Patenty | 1 |
| Technika i technologia | 1 |
|
| Angielski tezaurus | |||
| |||
| DES | |||
|
Data Evaluation System : 3 do fraz, 3 tematyki |
| Nauka o ziemi | 1 |
| Patenty | 1 |
| Technika i technologia | 1 |