Reference data for radio engineers 

 - London :  Standard Telephone and Cables Limited,  1942. 
 - 175 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio Engineering<br/>Electromagnetic Waves<br/>Signal Processing
<br/><br/><label>Dewey Class. No.: </label>621.3841  / REF