Hilpinen Risto Ed. <br/><br/>
Deontic logic   introductory ands systematic readings 
Hilpinen Risto Ed. 
 - Holland  D. Reidel Publishing Company      1971 
 - 182p.  cm. 
<br/><br/><label>ISBN: </label>9027701679 
<br/><br/><label>Standard No.: </label>65,298 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHILOSOPHY
<br/><br/><label>Dewey Class. No.: </label>R1, L1