Li, Qi <br/><br/>
Nonparametric econometrics  : theory and practice / 

 - Princeton:  Princeton University Press,  2007 
 - xxi, 746p. Bibl. Index. 
<br/><br/><label>ISBN: </label>9780691121611 
<br/><br/><label>Dewey Class. No.: </label>330.015195  / L693.NE