Billstein, Rick. <br/><br/>
Logo :  MIT Logo for the Apple (Terrapin/Krell) / 
Rick Billstein, Shlomo Libeskind, Johnny W. Lott. 
 - Menlo Park, California :  The Benjamin/Cummings Pub. Co.,  1985. 
 - 415 p. :  ill. ;  23 cm. 
<br/><br/>Bibliography : p.401-409. 
<br/><br/><label>ISBN: </label>0805308601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LOGO (Computer program language).<br/>Apple computer--programming.