Notes on instrumentation and control 
G. J. Roy. 
 -  Butterworth-Heinemann Ltd.  1983 
 - 141 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-7506-1837-X 
<br/><br/><label>Dewey Class. No.: </label>M 623.8 R81n 1983, r1994