Kokemäenjoen päästötasot romahtaneetArxivləşdirilib 2018-09-02 at the Wayback Machine. Waternet 1/2007. The magazine is a PR-publication of Finnish chemicals manufacturer, but the fact that the pollution levels of Kokemäenjoki have indeed gone down is correct. Retrieved 11-19-2007
Kokemäenjoen päästötasot romahtaneetArxivləşdirilib 2018-09-02 at the Wayback Machine. Waternet 1/2007. The magazine is a PR-publication of Finnish chemicals manufacturer, but the fact that the pollution levels of Kokemäenjoki have indeed gone down is correct. Retrieved 11-19-2007