Aigner, D. J. <br/><br/>
Latent variables in socio-economic models  / 

 - Amsterdam:  North-Holland,  1977 
 - xiv, 383p. 
 - Contributions to Economic Analysis ; 103 .
<br/><br/><label>Dewey Class. No.: </label>330.183024301  / Ai289.LV