Dewdney,A.K <br/><br/>
The planiverse:computer contact with a two-dimensional world 

 -  Picadoa:London  1983 
 - 272 p. 
<br/><br/><label>ISBN: </label>0000030280759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>004.1  / D28