United  Nations disability statistics database 1975-1986 :  techni cal manual / 
United Nations. 
 - New York :  United Nation,  1988. 
 - vi, 86 p. :  ill. ;  30 cm. 
 - Statistics for special population groups series ;   no.3 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>People with disabilities-- Statistics.
<br/><br/><label>Dewey Class. No.: </label>362.4