7The UN Economic and Council-Committee of Experts on Transport of Dangerous Goods and on the Globally Harmonized System of Classification and Labeling of Chemicals (UNCETDG/GHS), Recommendations on the Transport of Dangerous GoodsoModel Regulations[Z]. 15th revised edition. United Nations: New York and Geneva,2007.
8The UN Economic and Council-Committee of Experts on Transport of Dangerous Goods and on the Globally Harmonized System of Classification and Labeling of Chemicals ( UNCETDG/GHS), Globally Harmonized System of Classification and Labeling of chemicals (GHS)[Z]. 3th revised edition. United Nations: New York and Geneva,2009.
