Zu schnell, um wahr zu sein: Das 400m-Weltrekord-Mahnmal der Marita Koch von Canberra 1985 - Eurosport
Marita Koch 400m World Record - YouTube
Marita Koch et Marlies Gohr 1983 - Along with Flo Jo these two East German athletes had some of the most suspect … | Track and field, Sporting legends, Sports women
MARITA KOCH East German Athlete in athletics after she wonn 400m at European Championship in the Athena 1982 Stock Photo - Alamy
Track's Most Resilient (and Suspect) Record Is in Danger - The New York Times
Marita Koch 48.16 World Record 400m. (European Championship Athens 82) - YouTube
Marita Koch | German athlete | Britannica
Marita Koch - Wikipedia
Marita Koch - Wikipedia
Marita KOCH | Profile | World Athletics
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Marita Koch 400m World Record 48.16 (European Championships 82 Athens). - YouTube
BBC Sport on Twitter: "30 years on, Marita Koch's unbroken 400m world record is still a hot topic. Was it genuine? http://t.co/BrV7nrDldP http://t.co/qr1nexoNne" / Twitter
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Marita Koch: Greatest 400m runner unconquerable even after 36 years | Sunday Observer
Marita KOCH - Biography of her International athletics career. - East Germany