Bowden, Roger J <br/><br/>
Instrumental variables 
Roger J. Bowden and Darrell A. Turkington 
 - Cambridge  Cambridge University Press  2007 
 - viii, 227 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521385824 
<br/><br/><label>ISSN: </label>84007802 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instrumental variables (Statistics)
<br/><br/><label>Dewey Class. No.: </label>519.535 BOW