TY  - BOOK
ED  -  United Nations Conference on Trade  and Development. 
ED  -  United Nations.
TI  -  Report of the Committee on Tungsten on its twenty-first session / 
PY  - 1990///
CY  -  Geneva : 
PB  -  United Nations Conference on Trade and Development , 
KW  -  Tungsten
KW  -  Congresses
KW  -  Tungsten industry
ER  -