Wansing, H <br/><br/>
Displaying modal logic 
Heinrich Wansing 
 - Deventer, The Netherlands ; Boston, MA  Kluwer Academic  c1998 
 - xi, 252 p. : ill. ; 25 cm 
<br/><br/> Includes bibliographical references (p. 235-246) and index 
<br/><br/><label>ISBN: </label>9780792352051 
<br/><br/><label>ISSN: </label>98028934 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modality (Logic)
<br/><br/><label>Dewey Class. No.: </label>160 WAN