TY  - BOOK
AU  - Schoeller,W.R.
AU  - Powell,A.R.
TI  - The analysis of minerals and ores of the rarer elements: a manual for analytical chemists, metallurgists, and advanced students 
PY  - 1955///
CY  - London
PB  - Griffin
KW  - Rare earths
N1  - Includes index
ER  -