Pritchard, Joe. <br/><br/>
Newnes amateur radio computing handbook / 
Joe Pritchard. 
 - Oxford :  Heinemann Newnes,  1990. 
 - ix, 363 p. :  ill. ;  21 cm. 
<br/><br/> includes index 
<br/><br/>Includes bibliographical references: p. 356-357  
<br/><br/><label>ISBN: </label>0434915165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amateur radio stations--Data processing.<br/>Microcomputers.