Field, Barry C. <br/><br/>
Environmental economicsban introduction / 
Barry C. Field, Martha K. Field 
 - Boston  McGraw-Hill Irwin,  2009 
 - xviii,493 p.  illustration.  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780073375762