Advances in modal logic / 
editors Frank Wolter ... [et. al] 
 - New Jersey :  World Scientific,  2002 
<br/><br/><label>ISBN: </label>9812381791 (vol. 3)  RM345.72 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Modality (Logic)--Congresses