Bukarest: PUBLICOM, 1969-1982 / 5.1969/70(1969) - 1982 nachgewiesen

Köln: BfAI, 2000-2004 / 1999(2000) - 2003(2004); damit Ersch. eingest.

Köln: BfAI, 1995-2005 / Nachgewiesen 1995 - 2004(2005); damit Ersch. eingest.

Köln: BfAI, 1989-2003 / 1988(1989); 1989/90(1990) - 2002/03(2003)

Köln: BfAI, 1989-2004 / Nachgewiesen 1988(1989); 1989/90(1991) - 1995/96(1996); 1999/2000(2000) - 2003/04(2004)

Köln: BfAI, 1989-2003 / Nachgewiesen 1988/89(1989) - 2002(2003); damit Ersch. eingest.

Köln: BfAI, 1989-2004 / Nachgewiesen 1988(1989) - 2003(2004); damit Ersch. eingest.

Brussels, Belgium: Belgian Foreign Trade Agency, May 2021

Brussels, Belgium: Belgian Foreign Trade Agency, December 2020

Brussels, Belgium: Belgian Foreign Trade Agency, October 2020

Brussels, Belgium: Belgian Foreign Trade Agency, October 2019

Brussels, Belgium: Belgian Foreign Trade Agency, March 2019

Brussels: Belgian Foreign Trade Agency, May 2012- / 2011-

Brussels, Belgium: Belgian Foreign Trade Agency, July 2011- / 2010, January/December-

Köln: BfAI, 2005- / Nachgewiesen 2005 -