European broadband cable book 2002 / ed. Kagan World Media
Into the labyrinth [documento electrónico] : untangling the real cost of unbundling / Jonathan Doran
The world atlas of backbone operators / Jean-Charles Doineau, Julien Grivolas, Carole Manero
Mobile infrastructure sharing : maximising ROI and adopting technical solutions to minimise the costs of 3G networks: London, 19th-20th November 2001 / Organised by IBC (part of INFORMA Telecoms Group)