Encyclopedia of nature 

 - Spain  Macdonald Educational         1979 
 - 253p  cm. 
<br/><br/><label>Standard No.: </label>21265 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZOOLOGY
<br/><br/><label>Dewey Class. No.: </label>Kk, L9