Ayer, A.J.  <br/><br/>
The Problem of Knowledge 

 - London:  Penguin Books,  1990. 
 - 223p.;  20 cm 
<br/><br/><label>ISBN: </label>0140135472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge<br/>Premadasa Udagama Collection
<br/><br/><label>Dewey Class. No.: </label>001  / AYE