POPPER (Karl R). <br/><br/>
Conjectures and refutations: the growth of scientific knowledge. 

 - NY  Harper Torchbooks  1968 
 - xiii,417 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conjectures refutations scientific knowledge
<br/><br/><label>Dewey Class. No.: </label>501 POPC