Vásárhelyi, Paul <br/><br/>
DARE ;  UNESCO computerized data retrieval system for documentation in the social and human sciences (including an analysis of the present system) / 
by Paul Vásárhelyi. 
 - Paris :  UNESCO,  1972. 
 - 43 p. ;  tablas. 
 - Reports and papers in the social sciences ;  27. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 002.6: 3 (100) =20 VAS No. 27