TY  - BOOK
AU  - Gupta, C.K.
AU  - Krishnamurthy, N. jt.au.
TI  - Extractive metallurgy of rare earths
SN  - 0415333407
U1  - 669.291 
PY  - 2005///
CY  - Boca Raton
PB  - CRC Press
KW  - Rare earth metals-matallurgy
ER  -