MacKay, Donald MacCrimmon,  1922- <br/><br/>
Information, mechanism and meaning 
[by] Donald M. MacKay. 
 - Cambridge,  M.I.T. Press  [1969] 
 - viii, 193 p.  21 cm. 
<br/><br/><label>Dewey Class. No.: </label>001.5/39