POPPER Karl R. <br/><br/>
Conjectures and refutations   The growth of scientific knowledge.    

 - London  Routledge and Kegan Paul         1963 
 - xiii,412p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>R2, K3