658.2
H888P
           Huetther, David
               Plant size, technological change and investment requirements a dynamic franmework for the long-run average cost curve \ David Huetther - New York : Praeger, 1974.
               xvi, 183p.
90116
                Subjects: Costs, Industrial-United States-Case Studies; Industrial Capicity-United States-Case Studies; Replacement of industrial equipment-Case studies.