Longford, Nicholas T. <br/><br/>
Models for uncertainity in educational testing 

 - New York  Springer-Verlag  1995 
 - 285p. 
 - Springer series in statistics .
<br/><br/><label>ISBN: </label>0-387-94513-X 
<br/><br/><label>Subjects--Index Terms: </label>Educational tests and methods 
<br/><br/><label>Dewey Class. No.: </label>519.243  / LON