Derusso, Paul M. <br/><br/>
State variables for engineers / 
Paul M. Derusso, Rob J. Roy, Charles M. Close. 
 - New York :  Wiley,  c1965. 
 - x, 608 p. 
<br/><br/><label>LCCN: </label>65-21443 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variables (Mathematics).<br/>Feedback control systems.<br/>Control theory.