Media competition and coexistence: The theory of the niche/ 
Dimmick,John W. 
 - London:  Routledge,  2014. 
 - 145 p. 
<br/><br/><label>ISBN: </label>9780415761680 
<br/><br/><label>Dewey Class. No.: </label>338.4730223  / DIM/M