Ashenfelter, Orley C. and Card, David, ed. <br/><br/>
Handbook of labor economics 

 - Amsterdam  North Holland  1999 
 - Vol iii(B); xiii, 838p. 
 - Handbooks in economics; no. 5 .
<br/><br/><label>ISBN: </label>9780444501882 
<br/><br/><label>Dewey Class. No.: </label>331  / ASH