Heegaard Poul <br/><br/>
Contribution to the phylogeny of the arthropods 

 -  1947 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>57517 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>K813:6, H7   CS