Pitman, R. J. G. <br/><br/>
Automatic control systems explained / 
R.J.G. Pitman. 
 - London :  Macmillan,  1966. 
 - vii, 165 p. :  tables, diagrs. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automatic control.