Uexkull , J .Von <br/><br/>
Theoretical Biology.   
  

 - 1st 
 - London  Kegan Paul  1926 
 - Xvi, 362 pgs; 22 cms, illustrations.. 
<br/><br/> B   
<br/><br/>  
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574.01 Uex/The