Relevant markets in the telecoms Sector [documento eletrónico] : the times they are a-Changin' / Brian Williamson..[et al.]
The evolving business services market and the review of the EC recommendation no relevant markets [documento eletrónico] / Brian Williamson, Sam Wood
Fostering investment and competition in the broadband access markets of Europe [documento eletrónico] / Brian Williamson, David Lewin, Sam Wood