in Energy Policy, Elsevier, 2012.
Collaboration with Helmut Haberl, Detlef Sprinz, Marc Bonazountas, Pierluigi Cocco, Yves Desaubies, Mogens Henze, Ole Hertel, Richard K. Johnson, Ulrike Kastrup, Pierre Laconte, Eckart Lange, Peter Novak, Jouni Paavola, Anette Reenberg, Sybille van den Hove, Theo Vermeire, Peter Wadhams, Timothy Searchinger.