Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
I Luv Athletics - 🔝 Marita Koch 🇩🇪 (b1957) is a German... | Facebook
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
Drugs, brawls, disqualifications: 30yrs since Canberra hosted most controversial athletes in history - ABC News
Marita Koch: Can we believe her 400m world record is genuine? - BBC Sport
Marita Koch 400m World Record - YouTube
Marita Koch | German athlete | Britannica
Marita Koch - Wikipedia
Women's Athletics World Records
Marita Koch 48.16 World Record 400m. (European Championship Athens 82) - 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