Sustaining earth 

 - Angell, D.J.R. ; Comer, J.D. ; Wilkson, M.L. 
 - 226 pages ;   22 cm 
<br/><br/><label>ISBN: </label>0333524926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection
<br/><br/><label>Dewey Class. No.: </label>333.7