Barker, Stephen Francis <br/><br/>
The elements of logic / 
by Stephen F. Barker 
 - 2nd ed. 
 - New York :  McGraw-Hill Book,  1974 
 - xii, 337 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0070037183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic