Alexander, W. B.  1885-1965. <br/><br/>
Natural enemies of prickly pear and their introduction into Australia, 
by W. B. Alexander. 
 - Melbourne,  H.J. Green, government printer,  1925. 
 - 80 p.  illus. 
<br/><br/> Some of plates printed on both sides. 
<br/><br/><label>LCCN: </label>agr26000462  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects--Australia.<br/>Opuntia.
<br/><br/><label>LC Class. No.: </label>SB615.P8  / A55