Popper, Karl Raimund,  Sir,  1902-1994. <br/><br/>
The logic of scientific discovery. 

 - [2d ed.] 
 - New York,  Harper & Row  [c1968] 
 - 479, 12 p. 
<br/><br/> Translation of Logik der Forschung. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Science.<br/>Science--Methodology.
<br/><br/><label>National Library of Medicine Call No.: </label>Q 175  / P831L 1968