Hempel, Carl G. <br/><br/>
Philosophy of natural science / 
Carl G. Hempel. 
 - Englewood Cliffs, N.J. :  Prentice-Hall, Inc.,  1966. 
 - 116 p. 
 - Foundations of Philosophy Series .
<br/><br/>Includes bibliogr. references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Philosophy