TY - BOOK AU - Leontief,Wassily W. TI - The Future of nonfuel minerals in the U.S. and world economy: input-output projections, 1980-2030 U1 - 338.2 PY - 1983/// CY - Lexington, Mass PB - Lexington Books KW - Mineral industries KW - United States KW - Linear programming N1 - Includes index ER -