Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| N-15/N-14  | |
|---|---|
| BT | isotopes | 
| .stable isotopes | |
| ..N-15/N-14 | |
| BT | nitrogen | 
| .N-15/N-14 | |
| RT | isotope ratios | 
| N-15 | |
| SN | This term has multiple hierarchies. | 
| Data sets | Publications | Expeditions | Thesaurus | 
| N-15/N-14  | |
|---|---|
| BT | isotopes | 
| .stable isotopes | |
| ..N-15/N-14 | |
| BT | nitrogen | 
| .N-15/N-14 | |
| RT | isotope ratios | 
| N-15 | |
| SN | This term has multiple hierarchies. |