Measures of Environmental Performance and Ecosysten Condition / 
editor by Peter C.Schulze                             
 - Washington,D.C. :  National Academy Press Pub.,  c1999. 
 - vi, 303 p. :  ill.   23 cm. 
<br/><br/>Includes Bibliographical and Index. 
<br/><br/><label>ISBN: </label>0309054419;9780309054416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Environmental Science
<br/><br/><label>National Library of Medicine Call No.: </label>WA 950  / .M43 1999