Bell, Simon <br/><br/>
Sustainability indicators :  measuring the immeasurable? / 
Simon Bell and Stephen Morse 
 - London :  Earthscan Publications,  1999 
 - xiv, 175 p. :  ill. ;  24 cm. 
<br/><br/>References: p. 160-170 
<br/><br/><label>ISBN: </label>185383498X  RM98.21 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable development--Evaluation<br/>Environmental indicators<br/>Economic indicators<br/>Social indicators