Columbia subject headings:
Harvard subject headings:
Environmental health--European Economic Community countries.
Hazardous occupations--European Economic Community countries.
Industrial hygiene--European Economic Community countries.
Industrial relations--European Economic Community countries
Industrial safety--European Economic Community countries.
Quality of work life--European Economic Community countries.
Princeton subject headings:
Environmental impact analysis--European Economic Community countries.
Environmental monitoring--European Economic Community countries.
Environmental policy--European Economic Community countries.