Bell, D. A. <br/><br/>
Information theory and its engineering applications   
by D. A. Bell 
 - 4th ed. 
 - London  Sir Issac Pitman and Sons.  1968 
 - viii, 227p.  incl. app., ind. 
<br/><br/><label>ISBN: </label>273417576 
<br/><br/><label>Dewey Class. No.: </label>001.539  / N681