Hartmann Nicolal <br/><br/>
Aufbau der realen welt 

 - 2nd 
 -  1949 
<br/><br/><label>Standard No.: </label>65,421 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R299, 113H9