TY - BOOK AU - Herriges,Joseph AU - Kling,Catherine L. TI - Revealed preference approach to environmental valuation SN - 9780754627142 (2 vols. set) U1 - 333.7015118 22 PY - 2008/// CY - Aldershot, Hampshire, Eng. PB - Ashgate KW - Environmental economics KW - Mathematical models KW - Outdoor recreation KW - Economic aspects N1 - Includes bibliographical references and index; v.1. xxix, 578 p.-- v.2. xii, 595 p ER -