Popper, Karl R <br/><br/>
Conjectures and refutations  the growth of scientific knowledge 

 - 5th rev.ed. 
 - London  Routledge  1989 
 - xiv, 431 p.; 23cm. 
<br/><br/><label>ISBN: </label>415043182 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epistemolgy