Sir, d8.1..23.5 <br/><br/>
Objective knowledge;  an evolutionary approach 
[by] Karl R. Popper. 
 - Oxford,  Clarendon Press,  1972. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0198243707  L.4.50 
<br/><br/><label>LCCN: </label>73153471 
<br/><br/><label>Nat. Bib. No.: </label>B*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Theory of.<br/>Induction (Logic)
<br/><br/><label>LC Class. No.: </label>BD161  / .P727 
<br/><br/><label>Dewey Class. No.: </label>121