Clayson,James. <br/><br/>
Visual modeling with logo:  structured approach to seeing 

 - London  The MIT Press  1988 
 - xv, 392 p. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer graphic<br/>Programming language
<br/><br/><label>Dewey Class. No.: </label>006.66  / CLA