DescriptionNl-aardgas.ogg English: Dutch pronunciation of "aardgas" Source Own work Author GerardM...
the original. https://creativecommons.org/licenses/by-sa/3.0/nl/deed.enCC BY-SA 3.0 nlCreative Commons Attribution-Share Alike 3.0 nltruetrue English...
the original. https://creativecommons.org/licenses/by-sa/3.0/nl/deed.enCC BY-SA 3.0 nlCreative Commons Attribution-Share Alike 3.0 nltruetrue English...
the original. https://creativecommons.org/licenses/by-sa/3.0/nl/deed.enCC BY-SA 3.0 nlCreative Commons Attribution-Share Alike 3.0 nltruetrue English...