Thornburg, David D. <br/><br/>
Exploring Logo without a computer / 
David D. Thornburg. 
 - Menlo Park, Calif. :  Addison-Wesley Pub. Co.,  c1984. 
 - 143 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0201201100 (pbk.) 
<br/><br/><label>LCCN: </label>84253688  
<br/><br/><label>LC Class. No.: </label>QA76.73.L63  / T485 1984 
<br/><br/><label>Dewey Class. No.: </label>005.13/3