Ability and educational opportunity: report on the conference organised by the Office for Scientific and Technical Personnel, in collaboration with the Swedish Ministry of Education, in Kung�lv, Sweden, 11th-16th June 1961 / 
A.H. Halsey, D. Wolfle, P. de Wolff,  K. Harnqvist and others 
 - Paris :  OECD,  1961 
 - 212p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Conferences
<br/><br/><label>Dewey Class. No.: </label>370  / HAL