Pears, David Francis.
What is knowledge? /
David Pears 
. - New York : Harper & Row,  1971 
. - vii, 106 p.  21 cm. 
 - (Harper essays in philosophy )(Harper torchbooks  ; TB 1586 )
<br/>К.: Бібліогр. : c. 105-106 
<br/><label>  ISBN: </label>06-131586-2