Nagrath, I.J. <br/><br/>
Control systems engineering 
I.J.Nagrath...[et.al] 
 - 2nd 
 - New Delhi  N.A.I. (P) LTD.  1996 
 - xii,725 
<br/><br/><label>Dewey Class. No.: </label>621.319  / NAG N6