Popper, Karl Raimund,  Sir,  1902- <br/><br/>
Conjectures and refutations/  the growth of scientific knowledge. 

 - 5th ed. 
 - London:  Routledge & K. Paul,  1972. 
 - xiii, 431 p.:  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>510.1  / P831c