Matthews, Frances Russell,  <br/><br/>
Our world 

 - 424 pages ;   23 cm 
<br/><br/><label>ISBN: </label>0730103536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection - Miscellanea
<br/><br/><label>Dewey Class. No.: </label>333.7