Ackermann Robert <br/><br/>
Theories of knowledge  A critical introduction. 
Ackermann Robert 
 -  1965 
<br/><br/><label>Standard No.: </label>71268 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R2v, K5