Trussell-Cullen,  Alan.  <br/><br/>
Natural Partners/ 
by Alan Trussell-Cullen 
 - Cheltenham  Nelson Thornes  c2007 
 - 24p.  col.  ill; 
<br/><br/> includes glossary and index 
<br/><br/><label>ISBN: </label>9781408501146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>animal mutualism
<br/><br/><label>Dewey Class. No.: </label>577.82