Columbia subject headings:
CELEX (Information retrieval system)
European Economic Community--Information services.
Information storage and retrieval systems--Law--European Economic Community countries.
Legal research--European Economic Community countries--Databases.
Harvard subject headings:
CELEX (Information retrieval system)
European Economic Community--Information services.
Information storage and retrieval systems--Law--European Economic Community countries.
Legal research--European Economic Community countries--Databases.
Princeton subject headings: