Smith, J M <br/><br/>
Age and occupation: a classification of occupations by their age structure.  [electronic resource] 

 -  Journal of gerontology  Oct 1969 
 - 412-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-1422 
<br/><br/><label>Standard No.: </label>10.1093/geronj/24.4.412  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Occupations--classification<br/>Statistics as Topic