Kupchella, Charles E. <br/><br/>Environmental science :  living within the system of nature / Charles E. Kupchella and Margaret C. hyland  -- 2nd. ed.  -- Boston :  Allyn and Bacon  1989 <br/>xvi, 637 p.  ill., col ;  26 cm. <br/><br/> Includes bibliographical references and index. <br/><br/><label>ISBN: </label>0205117236 <br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/><br/><label>Dewey Class. No.: </label>GC 304.2 K965 1989