Klara Sierońska
Klara Sierońska-Kostrzewa (28 July 1913 – 20 July 1990) was a Polish gymnast. She competed in the women's artistic team all-around event at the 1936 Summer Olympics.[1] References
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Klara Sierońska
Klara Sierońska-Kostrzewa (28 July 1913 – 20 July 1990) was a Polish gymnast. She competed in the women's artistic team all-around event at the 1936 Summer Olympics.[1] References
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