Selective inventory of information services / 
prepared by the Social and Human Science Documentation, UNESCO with the co-operation of the European Co-ordination Centre for research and documentation in social science and the international committee 
 - 2nd rev. ed. 
 - Paris :  UNESCO,  1985 
 - xxi, 247 p. ;  24 cm. 
 - World social sciences information services ;  3 .
<br/><br/> Text in English, French and Spanish 
<br/><br/><label>ISBN: </label>9230023434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services<br/>Documentation<br/>Information storage and retreival systems
<br/><br/><label>Dewey Class. No.: </label>029.93