Summer, Steven E. <br/><br/>
Electronic sensing controls / 
by Steven E. Summer 
 - Philadelphia :  Chilton Book Company,  1969 
 - 192 p. :  ill. ;  24 cm. 
<br/><br/><label>LCCN: </label>68-011897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic control<br/>Transducers