Chemical process economics in practice : a collection of papers originally presented in Philadelphia, Pa., in April, 1956, under the auspices of the Philadelphia-Wilmington Section of the American Institute of Chemical Engineers and the School of Chemical Engineering, University of Pennsylvania / J. James Hur Hur, J. James, ed. American Institute of Chemical Engineers. Philadelphia-Wilmington Section. University of Pennsylvania. School of Chemical Engineering. Chemical industry. Chemical industry Accounting. TP185 .A5 1956 657.4 HUC Includes bibliographies. New York : Reinhold, c1956. c1956. 1956 Text iv, 115 p. : eng