White Alan R <br/><br/>
Modal thinking 

 - Oxford  Basil Blackwell        1975 
 - vi,190p, illus  cm. 
<br/><br/><label>Standard No.: </label>10,266 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGIC
<br/><br/><label>Dewey Class. No.: </label>R1, L5