| English | Spanish | |
|---|---|---|
| Engineering | ||
| Engineering | source reference | referencia de origen |
| Aeronautics | ||
| Aeronautics | source reference | referencia de origen |
| Petrol | ||
| Petrol | source reference | referencia de origen |
| English | Spanish | |
|---|---|---|
| Electricity | ||
| Electricity | reference source | fuente de referencia |
| Engineering | ||
| Engineering | reference source | fuente de referencia |
| Chemistry | ||
| Chemistry | reference source | fuente de referencia |
| Metrology | ||
| Metrology | solid reference source | muestra radiactiva de referencia sólida |
| Metrology | liquid reference source | muestra radiactiva de referencia líquida |
| Nuclear Medicine | ||
| Nuclear Medicine | reference radioactive source | fuente radiactiva de referencia |
| Nuclear Medicine | reference source | fuente de referencia |
| Energy | ||
| Energy | reference radioactive source | fuente radiactiva de referencia |
| Energy | reference source | fuente de referencia |