 |
| |||
| primary index; base number (классификации) | |||
| pivotal index (ROGER YOUNG) | |||
| main mark; main number; main class number | |||
| master index | |||
| основной индекс: 17 phrases in 12 subjects |
| Economy | 1 |
| Electrical engineering | 1 |
| European Bank for Reconstruction and Development | 1 |
| Finances | 1 |
| General | 1 |
| Librarianship | 3 |
| Mass media | 1 |
| Military | 2 |
| Oil processing plants | 1 |
| SAP | 1 |
| Stock Exchange | 3 |
| Technology | 1 |