Feild, Barry C. Environmental economics : an introduction / Barry C Feild and Martha K Field. - NewYork : McGraw Hill , 2006. - xxi,503p. : ills.,charts.,tables ; 22cm . Includes index ISBN: 0071255850 USD25.95 Subjects--Index Terms: ENVIRONMENTAL ECONOMICS Dewey Class. No.: 333.7 / FIE/E