2009-11-30T14:43:13+00:00
xsd:dateTime
217056
xsd:long
approved
2023-06-30T12:20:22+00:00
xsd:dateTime
2009-11-30T14:43:13+00:00
xsd:dateTime
ozone layer @en
ozonlaag @nl
gas
ozonlaag @nl
ozone layer @en