TY  - BOOK
AU  - Dieke,Gerhard Heinrich, x
AU  - White,Cross H.M.
TI  - Spectra and energy levels of rare earth ions in crystals: x
SN  - x
U1  - 548.8/DIS 
PY  - 1968///
CY  - N.Y.
PB  - Interscience pub
KW  - Crystallography
N1  - x
ER  -