Zimmermann, Walter,  1892- <br/><br/>
Grundfragen der Evolution. 

 - Frankfurt am Main,  V. Klostermann  [1948] 
 - 221 p. 
<br/><br/><label>LCCN: </label>ltf91086439  
<br/><br/><label>LC Class. No.: </label>4QH 17