International classification of impairments, disabilities, and handicaps  a manual of classification relating to the consequences of disease 
World Health Organization 
 - Geneva  WHO  1980 
 - 205 p. ; 24 cm. 
<br/><br/> Published for trial purposes in accordance with resolution WHA 29.35 of the Twenty-ninth World Health Assembly, May 1976 
<br/><br/><label>ISBN: </label>9241541261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification