Blair,  John  M. <br/><br/>
Economic  concentration  : structure  behaviour  and  public  policy. 
John  M.  Blair 
 - New  York   Harcourt  Brace  Jovanovich  1972 
 - xvii, 742p.;  24cm. 
<br/><br/><label>Dewey Class. No.: </label>338.520973  /  BLA