TY  - BOOK
AU  - Quarrell A G
ED  - Comfrence on niobium tantalum, malybdeum and tungstem (1960 : Universuty of sheffield)
TI  - Report on nibbium, tantalum, malybedenum and tumgstem
U1  - E:154p1:N60, K1 
PY  - 1961///
KW  - Chemistry
ER  -