Pattis, Richard E <br/><br/>
Karel the robot  a gentle introduction to the art of programming 
Richard E. Pattis 
 - New York  Wiley  1981 
 - 106p. 24cm 
<br/><br/> Includes indexes 
<br/><br/><label>ISBN: </label>0471089281 
<br/><br/><label>LCCN: </label>80-26748 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers--Programming