Telecommunication access networks  technology service trends  proceedings of the IX International Symposium on Subscriber Loops and Services, ISSLS 91, Amsterdam, The Netherlands, 22-26 April, 1991 
(editor W. Lemstra) 
 - Amsterdam  North-Holland  1991 
 - 440 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0444890505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone systems--Congresses<br/>Computer network architectures--Congresses