"Matias Koski". London 2012. The London Organising Committee of the Olympic Games and Paralympic Games Limited. Archived from the original on 30 July 2012. Retrieved 13 September 2012.
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"Matias Koski". London 2012. The London Organising Committee of the Olympic Games and Paralympic Games Limited. Archived from the original on 30 July 2012. Retrieved 13 September 2012.