Ashenfelter, Orley   (ed.) Card, David  (ed.) <br/><br/>
Handbook of Labor Economics 

 - Amsterdam,  Elsevier Science B.V.,  1999 
 - 3630 Seiten 
 - Handbook of Labor Economics     (Volume 3C) .
<br/><br/><label>ISBN: </label>0-444-50189-4 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>handbook