The Social impact of the telephone / 
Ithiel de Sola Pool, editor 
 - Mass :  MIT Press : Cambridge,  1977 
 - viii, 502 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0262160668 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--Social aspects