Long-term prospects and policies in the construction sector / United Nations United Nations. Economic Commission for Europe. Construction industry Europe Congresses. JX1977 .A2 ECE/HBP/14 330.9 UNL At head of title: Economic Commission for Europe, Geneva. Based on papers presented at the Seminar on Long-Term Prospects and Policies in the Construction Sector, Copenhagen, Jan. 26-30, 1976. "United Nations publication. Sales no. E.76.II.E.5." New York : United Nations, 1976. 1976. 1976 Text vi, 133 p. ; eng [Document] - United Nations ; ECE/HBP/14 United Nations. Document ; ECE/HBP/14. Europe