Barker, Stephen Francis. <br/><br/>
The elements of logic / 
Stephen F. Barker. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  [1974]. 
 - xii, 337 p. :  ill. 
<br/><br/><label>ISBN: </label>0070037183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160