Columbia subject headings:
Harvard subject headings:
European Economic Community.
Industrial hygiene--Law and legislation--European Economic Community countries.
Industrial hygiene--Law and legislation--European communities.
Industrial safety--Law and legislation--European Economic Community countries.
Industrial safety--Law and legislation--European communities.
Princeton subject headings:
European Economic Community.
Industrial hygiene--Law and legislation--European Economic Community countries.
Industrial safety--Law and legislation--European Economic Community countries.