Kaufman, Donald G. <br/><br/>
Biosphere 2000 :  protecting our global environment / 
Donald G. Kaufman, Cecilia M. Franz. 
 - New York, NY :  HarperCollins College Publishers,   c1993. 
 - 1 v. (various pagings) :  col. ill., col. maps ;   29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0060435763 
<br/><br/><label>LCCN: </label>92-019689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Environmental protection.<br/>Conservation of natural resources.
<br/><br/><label>Dewey Class. No.: </label>363.7