лед
52ЖИВОТНА СРЕДИНА- MT
5211Природна средина - BT1 вода
- BT2 водена средина
- BT3 физичко окружење
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)
Serbian)