Resource: https://publications.pik-potsdam.de/cone/iso639-2/resource/grb
- http://purl.org/dc/elements/1.1/relation:
Resource: https://publications.pik-potsdam.de/cone/iso639-3/resource/grb
- http://purl.org/dc/elements/1.1/identifier:
grb
- http://purl.org/dc/elements/1.1/title:
Grebo