Marcus, ruth barcan <br/><br/>
Modalities: philosophical essays 
Ruth Barcan Marcus 
 - Oxford  Oxford University Press  1995 
 - xiv, 266 p. : ill 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>195096576 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metaphysics<br/>Ontology
<br/><br/><label>Dewey Class. No.: </label>110 MAR