Vorobej, Mark <br/><br/>
A Theory of Argument 

 - New York  Cambridge University  1977 
 - 324p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>052167025X     200 
<br/><br/><label>Dewey Class. No.: </label>N12  / V917