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L'économie de l'énergie dans la Communauté Européenne
Zijlstra, Kees, (1977)
A single European market in energy : a joint report of the Energy and Environmental Programme, Royal Institute of International Affairs and Science Policy Research Unit, University of Sussex
(1989)
Electricity regulation in Germany : in the context of the European market
Pfaffenberger, Wolfgang, (1994)