von Katja Krech, Leonhard Toenz, Tax Notes Int'l, March 5, 2012, p. 757
von Katja Krech, Werner Lederer, Tax Notes Int’l, December 19, 2011, p. 930
von Katja Krech, Werner Lederer, Tax Notes Int’l, October 3, 2011, p. 37
von Peter R. Altenburger, Thierry Boitelle, Tax Notes Int'l, December 22, 2008, p. 1035
von Werner Lederer, Tax Notes Int'l, July 21, 2008, p. 237
von Werner Lederer, Thierry Boitelle, Tax Notes Int'l, February 25, 2008, p. 631
von Peter R. Altenburger, Thierry Boitelle, Tax Notes Int'l, October 29, 2007, p. 441