Maddala, G. S. , <br/><br/>
Limited dependent and qualitative variables in econometrics 
 Qualitative variables in econometrics. 

 - Cambridge:  Cambridge University Press,  1983. 
 - xi, 401 p. :  24 cm. 
 - Econometric Society monographs in quantitative economics ; 3. .
<br/><br/> Includes index.  
<br/><br/><label>ISBN: </label>9780521338257 
<br/><br/><label>Dewey Class. No.: </label>330.028 MAD