Columbia subject headings:
Continental shelf.
Offshore oil industry--Law and legislation.
Petroleum in submerged lands--North Sea.
Territorial waters--Great Britain.
Territorial waters--Norway.
Harvard subject headings:
Continental shelf.
Offshore oil industry--Law and legislation.
Petroleum in submerged lands--North Sea.
Territorial waters--Great Britain.
Territorial waters--Norway.
Princeton subject headings:
Continental shelf.
Offshore oil industry--Law and legislation.
Petroleum in submerged lands--North Sea.
Territorial waters--Great Britain.
Territorial waters--Norway.