Zeman, J Jay <br/><br/>
Modal Logic   The Lewis-Modal Systems 

 - Oxford  At the Clarendon Press  1973 
 - 302p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 200 
<br/><br/><label>Dewey Class. No.: </label>N10  / Z400