Williams N. <br/><br/>
ZX81/B1Programming for Your Programmers 

 - U.K  M.G.H  1983 
<br/><br/><label>ISBN: </label>0000017397 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science Engineering<br/>Programmers  Your  ZX81/B1Programming
<br/><br/><label>Dewey Class. No.: </label>1.539