Gupton, James A. <br/><br/>
Microcomputers for external control devices / 
James A. Gupton. 
 - Portland, Or. :  Dilithium Press,  1980. 
 - 279 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0918398282 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microcomputers.<br/>Automatic control.