Hempel, Carl Gustav,  1905- <br/><br/>
Philosophy of natural science / 
Carl G. Hempel. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1966. 
 - 116 p. ;  23 cm. 
 - Foundations of philosophy series .
<br/><br/><label>ISBN: </label> hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Philosophy.