United Nations. Advisory Committee for the Co-ordination of Information Systems <br/><br/>
Directory of United Nations databases and information service 

 - 4a. Ed. 
 - Nueva York, Estados Unidos   United Nations  1990 
 - 484 p.     30 cm 
<br/><br/><label>ISBN: </label>92-1-100349-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BASES DE DATOS<br/>SERVICIOS DE INFORMACION - NACIONES UNIDAS
<br/><br/><label>Dewey Class. No.: </label>020/Un3di/1990