TY  - BOOK
ED  -  United Nations Conference on Trade  and Development.
TI  -  Structural and technological change, particularly in the area of sub stitution and reduced usage of tungsten, including related research and development and market promotion
PY  - 0000/// 1 987
CY  -  Geneva : 
PB  -  United Nations Conference on Trade and Development, 
KW  -  Tungsten
KW  -  Technological innovations
KW  -  Marketing
ER  -