Columbia subject headings:
Quality control--Law and legislation--European Free Trade Association countries.
Quality control--Law and legislation--European Union countries.
Standardization--Law and legislation--European Free Trade Association countries.
Standardization--Law and legislation--European Union countries.
Harvard subject headings:
Quality control--Law and legislation--European Free Trade Association countries.
Quality control--Law and legislation--European Union countries.
Quality control--Law and legislation--Germany.
Standardization--Law and legislation--European Free Trade Association countries.
Standardization--Law and legislation--European Union countries.
Standardization--Law and legislation--Germany.
Princeton subject headings:
Quality control--Law and legislation--European Union countries.
Standardization--Law and legislation--European Union countries.