Harr,̌ Rom.
The philosophies of science: an introductory survey /
R. Harř 
. - London : Oxford : New York : Oxford University press,  1972 
. - 191 p.  21 cm. 
 - (Oxford paperbacks University series  ; 56 )
<br/>К.: Бібліогр. : c. 154-186, Index 
<br/><label>  ISBN: </label>0-19-888056-1