Liptak,Bela.G <br/><br/>
Instrument engineer's handbook:process control third edition vol-1 

 - Vidhyanagar  Butterworth ,  Oxford  1999 
<br/><br/><label>ISBN: </label>0-7506-2254-7 
<br/><br/><label>Dewey Class. No.: </label>620.78  / LIP