www.entsog.eu

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Anchor text: European Network of Transmission System Operators for Gas

Wikipedia: Transmission system operator

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Anchor text: Transmission Capacity map 2014. retrieved feb 2015.

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Anchor text: www.entsog.eu

Wikipedia: European Network of Transmission System Operators for Gas

Anchor text: List of member organizations on ENTSOG Web site

Wikipedia: Amber Grid

Wikipedia: Wikipedia:Reference desk/Archives/Miscellaneous/2015 January 28

Wikipedia: Carbon Connect Delta Program