TY  - BOOK
AU  - UNITED NATIONS
TI  - Recommendations on the transport of dangerous goods:  Model regulations. 2 Vols.   
SN  - 9789211391886
U1  - X9(F5594):4.1.N8, M6;R1.1-.2/UN 
PY  - 2021///
CY  - New York
PB  - United Nations        
ER  -