Changing market structures in telecommunications :  proceedings of an OECD Conference held 13-15 December 1982 / 
edited by Henry Ergas and Jun Okayama 
 - Amsterdam :  North-Holland,  1984 
 - 451p. ;  23cm. 
<br/><br/><label>ISBN: </label>0444868550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication