Rubin, Donald B. <br/><br/>
Matched sampling for causal effects  
Donald B. Rubin. 
 - Cambridge, Mass. :  Cambridge University Press,  2006. 
 - ix, 489 p. 
<br/><br/><label>ISBN: </label>9780521857628 9780521857628 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Muestreo (Estadística).
<br/><br/><label>Dewey Class. No.: </label>001.433  / R896m