Bolton, W. <br/><br/>
Industrial control and instrumentation 

 - Hyderbad :  Universities Press,  1994 
 - 203. 
<br/><br/><label>ISBN: </label>8173713642  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precision instruments other devices
<br/><br/><label>Dewey Class. No.: </label>681  / BOL