Official «Report to the State Council on the Cause of the Accident and Recommendations Regarding Accident Prevention and Corrective Measures» Part 1 of 2 «事故原因和性质及事故防范和整改措施建议»Архивная копия от 3 марта 2021 на Wayback Machine 2011-12-28
Official «Report to the State Council on the Cause of the Accident and Recommendations Regarding Accident Prevention and Corrective Measures» Part 2 of 2 «事故原因和性质及事故防范和整改措施建议»Архивная копия от 24 февраля 2021 на Wayback Machine 2011-12-28
Official «Report to the State Council on the Cause of the Accident and Recommendations Regarding Accident Prevention and Corrective Measures» Part 1 of 2 «事故原因和性质及事故防范和整改措施建议»Архивная копия от 3 марта 2021 на Wayback Machine 2011-12-28
Official «Report to the State Council on the Cause of the Accident and Recommendations Regarding Accident Prevention and Corrective Measures» Part 2 of 2 «事故原因和性质及事故防范和整改措施建议»Архивная копия от 24 февраля 2021 на Wayback Machine 2011-12-28