 |
| Subject | English | Thesaurus |
| abbr., el. | CD Extra | compact disk extra |
| abbr., nucl.phys. | Options for Making Extra Gains from Actinides and fission products | OMEGA program (MichaelBurov) |
| abbr., nucl.phys. | Options for Making Extra Gains from Actinides and fission products | OMEGA (MichaelBurov) |