TY  - BOOK
AU  - x, x
AU  - Eyring,Leroy
TI  - Progress in the science technolougy of the rare earths: x
SN  - x
U1  - 661.04/EYP 
PY  - 1964///
CY  - Oxford
PB  - Pergamon
KW  - Technolougy
KW  - Earth
N1  - x
ER  -