Columbia subject headings:
Industrial policy--European Economic Community countries.
Merchant marine--Europe, Southern.
Merchant marine--European Economic Community countries.
Shipping--Europe, Southern.
Shipping--European Economic Community countries.
Harvard subject headings:
European Economic Community--Mediterranean Region.
Shipbuilding--European Economic Community countries.
Shipbuilding--Greece.
Shipbuilding--Portugal.
Shipbuilding--Spain.
Princeton subject headings: