Columbia subject headings:
Harvard subject headings:
Construction industry--Switzerland--Zurich--History.
Holcim Foundation for Sustainable Construction (Zurich, Switzerland)--History.
Social responsibility of business--Switzerland--Zurich--History.
Work environment--Switzerland--Zurich--History.
Princeton subject headings:
Construction industry--Switzerland--Zurich--History.
Holcim Foundation for Sustainable Construction (Zurich, Switzerland)--History.
Social responsibility of business--Switzerland--Zurich--History.
Work environment--Switzerland--Zurich--History.