High-fidelity  design, gonstruction and measurements 
edited by Clifford Martin 
 - New York  Gernsback Publications  1954 
 - 128p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Radio Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>621.396  / GER