Liptak, Bela G., ed. <br/><br/>
Instrument engineers's handbook:Process measurement and analysis:-Vol-I 
Bela G.Liptak 
 - 3rd 
 - Radnor.  Chilton B.C.  1995 
 - xxvii, 139 
<br/><br/><label>Dewey Class. No.: </label>681.2  / LI-I