"Ergebnisspiegel" [Result list]. Berliner Zeitung (in German). Vol. 47, no. 198. 26 August 1991. p. 20. Archived from the original on 24 September 2018. Retrieved 25 September 2018.
"Ergebnisspiegel" [Result list]. Berliner Zeitung (in German). Vol. 47, no. 198. 26 August 1991. p. 20. Archived from the original on 24 September 2018. Retrieved 25 September 2018.