Barker, Stephen Francis. <br/><br/>
The elements of logic / 
[by] Stephen F. Barker. 
 - 5th Edition 
 - New York :  McGraw-Hill Book Company,  1989. 
 - iii, 111 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>160  / BAR