Lauer, Henri. <br/><br/>
Servomechanism fundamentals / 
by Henri Lauer, Robert Lesnick and Leslie E. Matson. 
 - New York :  McGraw-Hill,  1947. 
 - xi, 277 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Servomechanisms.