Barker, Stephen F. <br/><br/>
The Elements of logic /  
Stephen F. Barker. 
 - 5th ed. /   . 
 - New York :   McGraw-Hill ,   1989. 
 - xv, 291p ;   23cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0070037302  USD 9.95 
<br/><br/><label>Subjects--Index Terms: </label>LOGIC 
<br/><br/><label>Dewey Class. No.: </label>160  / BAR/E