 |
| English thesaurus | |||
| |||
| rsub_cd | |||
| rcd | |||
| reduction by: 29 phrases in 13 subjects |
| Chemistry | 2 |
| Coal | 1 |
| Earth sciences | 2 |
| Environment | 9 |
| General | 5 |
| Health care | 1 |
| Information technology | 1 |
| Law | 2 |
| Materials science | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear physics | 2 |
| Physics | 1 |
| Transport | 1 |