LITTLECHILD, S. C. <br/><br/>
ELEMENTS OF TELECOMMUNICATIONS ECONOMICS 

 - 1ST ED. 
 - EXETER Reino Unido  PETER PEREGRINUS  1979 
 - 268 
<br/><br/><label>ISBN: </label>0906048176 
<br/><br/><label>LCCN: </label>11640 
<br/><br/><label>Dewey Class. No.: </label>338.4762138