Chapple, Jonathan  <br/><br/>
I wish i knew... about the spectrum and ZX81 

 - London  Pitman Publishing Ltd.  1983 
 - xii, 80 p.  : ill. (col.)  ; 25 cm. 
<br/><br/><label>ISBN: </label>9780273020295 (pbk) 0273020293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Microcomputer systems--Sinclair ZX81--Computer literature --Computer graphics--Notation--FC
<br/><br/><label>Dewey Class. No.: </label>004.165  / CHA