At the 1972 European Indoor Championships he won the gold medal in the 400 metres race. He also won a silver medal in the 4 x 360 metres relay, together with Peter Bernreuther, Rolf Krüsmann and Ulrich Reich.
- "Georg Nückles". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2012-12-18.
- 1972 European Indoor Championships, men's 4 x 360 m relay final - Die Leichtatletik-Statistik-Seite Archived December 23, 2010, at WebCite
- West German indoor championships, men's 400 metres - Sport-Komplett Archived December 23, 2010, at WebCite
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