Bailey, John Lewis.  <br/><br/>
Seriation task performance by early preoperational children  [microform] / 
John Lewis Bailey. 
 - Ann Arbor, Mich. :  University Microfilms International,  1985. 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/><label>ISBN: </label>Y910040917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seriation by children (Psychology).