TY - BOOK AU - Ayres,Robert U TI - Resources, environment, and economics: applications of the materials/energy balance principle SN - 0471026271 PY - 1978/// CY - New York PB - Wiley KW - Econometrics KW - Economics KW - Mathematical models N1 - 'A Wiley-Interscience publication.'; Includes bibliographical references and index ER -