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

 - London  Routledge         1972 
 - xiii,431p.  cm. 
<br/><br/><label>Standard No.: </label>45822 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R21, L2