Colloms, Martin <br/><br/>
Computer controlled testing and instrumentation :  an introduction to the IEC - 625 : IEEE - 488 Bus / 
Martin Colloms 
 - New York :  John Wiley & Sons,  1983 
 - 151 p. :  ill. ;  23 cm. 
<br/><br/> A Halsted Press Book 
<br/><br/>p. 120 
<br/><br/><label>ISBN: </label>0470274069 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomatic checkout equipment<br/>Computer interfaces