Schank Roger C <br/><br/>
Scripts, plans, goals and understanding. 

 - New Jersey   Lawrence Erlbaum       1977 
 - 248p.  cm. 
<br/><br/><label>Standard No.: </label>90421 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:4, L7