World sulphur supply and demand, 1960-1980 / [Prepared for UNIDO by M.N.J. Horseman] Horseman, M. N. J. United Nations Industrial Development Organization. Sulfur mines and mining Statistics. Sulfur industry Statistics. 553.668 UNW At head of title: United Nations Industrial Development Organization, Vienna. "United Nations publication sales no.: E.72.II.B.16." New York : United Nations, 1973. 1973. 1973 Text xiii, 165 p. ; eng Document - United Nations ; ID/76 United Nations. Document ; ID/76.