kalcij
68INDUSTRIJA- MT
6816železarstvo, jeklarstvo in druga kovinska industrija - BT1 barvna kovina
- BT2 kovina
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- EXM gemet: GEMET (GEneral Multilingual Environmental Thesaurus - EEA)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
Slovenian)