Telecommunications, an interdisciplinary survey / 
edited by L. Lewin. 
 - Dedham, Mass. :  Artech House Books,  c1979. 
 - xxi, 657 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>089006072X :  $40.00 
<br/><br/><label>LCCN: </label>78026665  
<br/><br/><label>LC Class. No.: </label>HE7631 ..T44 1980  / .T44 
<br/><br/><label>Dewey Class. No.: </label>384