Causal models in panel and experimental designs  [Texte imprimé] / 
ed. by H. M. Blalock 
 - Chicago:  Aldine Publishing Company,  1985 
<br/><br/>Bibliogr. p. 277-279 
<br/><br/><label>ISBN: </label>0-202-30315-2 
<br/><br/><label>Dewey Class. No.: </label>301.01