Helms, Harry L. <br/><br/>
Introduction to microcomputers for the ham shack / 
by Harry L. Helms, Jr. 
 - Indianapolis, Ind. :  H. W. Sams,  1979. 
 - 95 p. :  ill. ;  22 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0672216817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amateur radio stations.<br/>Microcomputers--Amateurs' manuals.