POPPER, Karl R. <br/><br/>
Conjectures and refutations: the growth of scientific knowledge 
/by Karl R. Popper 
 - 5th ed., rev. 
 - London  Routledge pub.  1989 
 - xiii, 431 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>415043182 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Theory of knowledge
<br/><br/><label>Dewey Class. No.: </label>121  / POP