Ramsay, D.C. <br/><br/>
Engineering Instrumentation and Control / 
D. C. Ramsay 
 - 2nd ed. 
 - England:  Stanley Thornes;  1981. 
 - 250p.  [pb] 
<br/><br/><label>ISBN: </label>0859502252 
<br/><br/><label>Dewey Class. No.: </label>629.8  / RAM-E