Jackson Willis <br/><br/>
Communication theory   

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 - London  Butterworths Scientific Publications  1952 
 - 532 p.  25 cm. 
 -   .
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<br/><br/>  Communication 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication
<br/><br/><label>Dewey Class. No.: </label>001.51  / JAC