Johnson, R. H.    1940- <br/><br/>
Logical self defense/    Ralph H. Johnson and J. Anthony Blair. 

 - Toronto :    McGraw Hill,    1977 
 - xiv, 236 p. :    ill. ;    23 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Reasoning
<br/><br/><label>Dewey Class. No.: </label>165