Elonka, Stephen Michael. <br/><br/>
Standard instrumentation questions and answers for production processes control / 
 Standard instrumentation questions and answers 
[by] Stephen Michael Elonka [and] Alonzo Ritter Parsons. 
 - New York :  McGraw-Hill,  1970. 
<br/><br/> First published in 1962. 
<br/><br/>v. 1. Measuring systems -- v. 2. Control systems. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering instruments.<br/>Physical instruments.<br/>Automatic control.