Rubin, Donald B. <br/><br/>
Matched sampling for causal effects / 
Donald B. Rubin 
 - Cambridge :  Cambridge University Press,  2006 
 - ix, 489 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 463-481) and indexes 
<br/><br/><label>ISBN: </label>0521857627 (hbk.) 0521674360 (pbk.) 9780521857628 (hbk.):  RM350.20 9780521674362 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling (Statistics)<br/>Statistical matching