calcio
68INDUSTRIA- MT
6816metalurgia y siderurgia - BT1 metal no ferroso
- BT2 metal
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)
Spanish)