The Australian encyclopaedia. 

 - 3rd ed. 
 - Australia :  Grolier society of Australia,  c 1981. 
 - Vols. :  ill. ;  25 cm. 
<br/><br/>V. 6-- Superphosphate to zygophyllaceae ; 
<br/><br/>63  63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Australia.--encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>994.003 / A78