Elonka, Stephen Michael. <br/><br/>
Standard Instrumentation questions and answers : For Production-processes Control :   Control Systems : Vol.2 

 - New York :   McGraw-Hill,   1962. 
 - p. 482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROL AUTOMATICO<br/>SISTEMA DE CONTROL AUTOMATICO<br/>INSTRUMENTACION<br/>INSTRUMENTOS DE MEDICION
<br/><br/><label>Universal Decimal Class. No.: </label>681.2