Calow Peter Ed. <br/><br/>
Encyclopedia of ecology and enviromental management. 

 -  1998 
<br/><br/><label>Standard No.: </label>71932 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:55k1,N98, N8