Hardie A M <br/><br/>
Elements of feedback and control 
Hardie A M 
 -  1964 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>33402 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65:78, K4