H.J. Hansen <br/><br/>
Studies on Arthropoda III 

 - London  1930 
 -  376p. : ill ; 24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1930<br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>2  / R26.1