2005
Barquin, Julian, Bergman, Lars, Crampes, Claude, Glachant, Jean-Michel, Green, Richard, Lévêque, François, Stoft, Steven and Von Hirschhausen, Christian (2005) The Acquisition of Endesa by Gas Natural: an antitrust perspective. Journal of Network Industries, 6 (4). pp. 213-225.
2006
Barquin, Julian, Bergman, Lars, Crampes, Claude, Glachant, Jean-Michel, Green, Richard, Lévêque, François, Stoft, Steven and Von Hirschhausen, Christian (2006) The Acquisition of Endesa by Gas Natural: Why the Antitrust Authorities Are Right to be Cautions. Electricity Journal, 19 (2). pp. 62-68.
2009
Crampes, Claude, Glachant, Jean-Michel, Lévêque, François, Newbery, David, Perez-Arriaga, Ignacio J., Ranci, Pippo, Stoft, Steven, Von Hirschhausen, Christian and Willems, Bert (2009) Where the Champsaur Commission Has Got It Wrong. Electricity Journal, 22 (7). pp. 81-86.