| Subject | English | German |
| comp., MS | reference group | Referenzgruppe (A group that is associated with another group so that their properties and the properties of the groups and fields they contain always match. If the properties of one group are changed, the other group is updated automatically) |
| social.sc. | reference group | Bezugsgruppe |
| health., el. | reference group of the population | Bezugsgruppe der Bevölkerung |
| energ.ind., nucl.phys. | reference group of the population | Bezugsgruppe |
| el. | reference group pilot | Bezugsgruppe |
| nucl.phys. | reference groups critical group of the population | Bezugsbevölkerungsgruppen |
| gen. | reference groups of the population | Bezugsbevölkerungsgruppen |