Dorf, Richard C <br/><br/>
Modern control systems 

 - 11 
 - Delhi  Pearson  2008 
 - xxv, 1018p.   
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9788131718872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control systems -- (Modern)<br/>Feedback control system<br/>Root locus method -- Control systems