Staaf Robert J <br/><br/>
Externalities   Theoretical dimensions of political    
Staaf Robert J; Tannian Francis X Ed. 
 - New York  Dunellen           1972 
 - ix,354p  cm. 
<br/><br/> Bibliography chapterwise 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:22, L2