Schock Rolf <br/><br/>
Logics without existence assumptions. 

 - Stuckholm  Almqvist & wiksell       1968 
 - 134p.  cm. 
<br/><br/><label>Standard No.: </label>43338 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>R1, K8