López-Rodríguez, A. M. (2001).
Lex Mercatoria: A Current Outline. Afhandling præsenteret på Socrates Intensive Program on International Contracts, 22. september 2001, Luiss University, Rom, Italien, Rom, Italien.
Michelsen, A. (2001).
Polycentry in the Sources of Tax Law. I Krister Andersson, Peter Melz and Christer Silfverberg (red.) (red.),
Liber Amicorum Sven-Olof Lodin (s. s. 173-186). Kluwer Academic Publishers.