Popper Karl R <br/><br/>
Logic of scientific discovery. 
Popper Karl R 
 - London  Hutchinson         1959 
 - 479p.  cm. 
<br/><br/><label>Standard No.: </label>45829 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R2xN02, J9