Leblanc, Hugues,  1924- <br/><br/>
Deductive logic 
[by] Hugues Leblanc and William A. Wisdom. 
 - Boston,  Allyn and Bacon  [1972] 
 - xii, 367 p.  24 cm. 
<br/><br/><label>Dewey Class. No.: </label>162  / L4922