Lehnert, Wendy G <br/><br/>
The process of question answering :  computer simulation of cognition / 
Wendy G. Lehnert 
 - Hillsdale, N.J. :  L. Erlbaum Associates,  1978 
 - ix, 278 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>0470264853 
<br/><br/><label>LCCN: </label>78-014743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Question-answering systems