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tno.nl
TNO, the Dutch institute for applied scientific research. More bicycling to work lowers sickness absence and saves employers 27 millions euro [1]Архивная копия от 12 февраля 2012 на Wayback Machine accessed 1 February 2009
TNO, the Dutch institute for applied scientific research. More bicycling to work lowers sickness absence and saves employers 27 millions euro [1]Архивная копия от 12 февраля 2012 на Wayback Machine accessed 1 February 2009