gelo (água)
52MEIO AMBIENTE- MT
5211meio natural - BT1 água
- BT2 meio aquático
- BT3 ambiente físico
Mapping
- EXM agrovoc: Agrovoc (FAO - Food and Agriculture Organization)
- EXM gemet: GEMET (GEneral Multilingual Environmental Thesaurus - EEA)
- EXM unbis: Unbis (United Nations Thesaurus)
- EXM unesco: UNESCO (United Nations Educational, Scientific and Cultural Organization)
Portuguese)