Lehrer, Keith. <br/><br/>
Theory of knowledge/ 
Keith Lehrer. 
 - London:  Routledge,  1990. 
 - 212 p. ;  24 cm. 
 - Dimensions of philosophy series .
<br/><br/><label>ISBN: </label>0415054087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Theory of