Varia 2009 No 75, 2009/1 - pagesPages 4 to 5ForewordBy Marianne Ollivier-TrigaloPages 6 to 15Telecommunication Networks in European Cities: Coping with Multiscalar GovernanceBy Jonathan RutherfordPages 16 to 26The Utilities in Transition: Gazing through the IT WindowBy Tracey CrosbiePages 27 to 41Retroaction between Territorial Differentiation and Universal Model of Urban Services: Lessons from the Libyan CaseBy Éric Verdeil, Cécile Féré, Franck ScherrerPages 42 to 56Expanding the Metro and Land Use in the Paris SuburbsBy Miguel PadeiroPages 57 to 68The Recife Metro – The Impact on Urban Development after 20 yearsBy Maurício Oliveira de Andrade, Maria Leonor Alves MaiaPages 69 to 79Local Politics, Sustainable Urban Development, and Heritage: Urban Transit in RomeBy Hélène Nessi, Aurélien DelpirouPages 80 to 98Revisiting the Theme of the “Ville émergente”By Éric Charmes, Jean-Michel LégerPages 99 to 111Natural Gas in Europe: Between Market Liberalization and GeopoliticsBy Christophe DefeuilleyPages 112 to 117Waste Emergency in NaplesBy Lucia GiulianiPages 118 to 125A History of Usability Engineering Research at INRIA, 1969–1990By Benjamin ThierryPages 126 to 129ReviewsBy José-Frédéric DeroubaixPages 129 to 132Selected Titles