Hempel Carl G <br/><br/>
Fundamentals of concept formation in empirical science 
Hempel Carl G 
 - Chicago  University of Chicago press      1952 
 - 93  cm. 
<br/><br/><label>Standard No.: </label>352,010 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE
<br/><br/><label>Dewey Class. No.: </label>A:(R1), J2