Selected characteristics of occupations defined in the revised Dictionary of occupational titles. 

 - Pittsburgh, PA  U.S. Government Printing Office  1993. 
 - xi, 627 p.  28 cm. 
<br/><br/><label>ISBN: </label>0160382025  40.00 
<br/><br/><label>LCCN: </label>doc92001136  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupations--Classification.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Occupations--Tables.