Halford, Graeme S. <br/><br/>
Children's understanding :  the development of mental models / 
Graeme S. Halford. 
 - Hillsdale, N.J. :  L. Erlbaum Associates,  1993. 
 - xii, 521 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 479-503) and indexes. 
<br/><br/><label>ISBN: </label>0898599709 (cloth : acid-free paper) 0805812334 (pbk. : acid-free paper) 
<br/><br/><label>LCCN: </label>92020953 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognitive learning.<br/>Comprehension in children.<br/>Mental representation.<br/>Inference.
<br/><br/><label>LC Class. No.: </label>LB 1062  / .H24 1993