| Subject | German | English |
| nat.res. | ¹⁴C-Methode | radiocarbon techniques (chemical analysis) |
| mining. | 14C-Methode | radioactive dating (method, der geologischen Altersbestimmung) |
| mining. | 14C-Methode | radiocarbon dating (der geologischen Altersbestimmung) |
| nat.res. | ¹⁴C-Methode | carbon-14-techniques (chemical analysis) |
| gen. | 14C-Methode | radiocarbon test |