1. Norwegian Gas Customers Unruffled By Production Shutdown, World Gas Report, 1986, p. 3.
2. Six Norway oil and gas fields shut as strike escalates;Adomaitis,2020
3. Norway oil and gas workers end strike as government steps in;Fouche,2022
4. Bomb Disrupts Algerian Gas Supplies,1997
5. Arun challenges Asian LNG reliability rules;Gas Matters;Gas Matters,2001