A manual for the preparers and users of eco-efficiency indicators /    
United Nations Conference on Trade and Development. 
 - Version 1.1 
 - New York :   United Nations,   2004. 
 - xiii, 114 p. ;    30 cm. 
<br/><br/>  "UNCTAD/ITE/IPC/2003/7"--T.p. verso. 
<br/><br/>Includes bibliographical references ( p. 111-112.) 
<br/><br/>
<br/><br/><label>ISBN: </label>9211126207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental auditing --------Handbooks, manuals, etc.