Seidenberg, Steven <br/><br/>
Ecology and conservation 

 - London  Belitha Press Limited  1990 
 - 64 
 - Belitha information library .
<br/><br/> Surveys pressing issues of conservation and pollution as they affect our entire planet and everything living on it 
<br/><br/><label>ISBN: </label>1855610108 
<br/><br/><label>Dewey Class. No.: </label>000  / BEL