References
- Basile , L. J. , Ferraro , J. L. and Gronert , D. 1971 . J. inorg. nucl. Chem. , 33 : 1047
- Brittain , H. G. 1988 . Molecular Luminescence Spectroscopy: Methods and Applications , Edited by: Schulman , S. G. 440 – 446 . New York : Wiley . Part II
- Buchanan , J. G. US Patent No. 3 617 743 . 1971 .
- Caro , P. 1966 . Cr. hebd. Séances Acad. Sci., Paris, C , 262 : 992 1968, J. less-common Metals, 16, 367.
- Chang , N. C. , Gruber , J. B. , Leavitt , R. P. and Morrison , C. A. 1982 . J. chem. Phys , 76 : 3877
- Dexpert-Ghys , J. , Faucher , M. and Caro , P. 1981 . Phys. Rev. B , 23 : 607
- Dieke , G. H. 1968 . Spectra and Energy Levels of Rare Earth Ions in Crystals , New York : Interscience .
- Freeman , A. J. and Desclaux , J. P. 1979 . J. Magn. magn. Mater. , 12 : 11
- Gupta , R. P. and Sen , S. K. 1973 . Phys. Rev. A , 7 : 850
- Henry , N. F. M. and Lonsdale , K. , eds. 1969 . International Tables on Crystallography , Vol. 1 , Birmingham : Kynoch .
- Hölsä , J. 1983 . Ann. Acad. Sci. Fenn. Ser. A II , 196 : 1
- Hölsä , J. and Porcher , P. 1981 . J. chem. Phys. , 75 : 2108 1982, Ibid., 76, 2790.
- Lesniak , K. 1991 . J. chem. Phys. , 94 : 3919
- Limburg , H.-J. , Hölsä , J. , Porcher , P. , Herzog , G. , Starick , D. and Wulff , H. 1992 . J. solid-st. Chem. , 98 : 404
- Prather , H. L. 1961 . Atomic Energy Levels in Crystals , Washington : US National Bureau of Standards . Monograph No. 19
- Porcher , P. 1988 . Phase Transitions , 13 : 233
- Sauvage , M. 1974 . Acta crystallogr. B , 30 : 2786
- Shannon , R. D. 1976 . Acta crystallogr. A , 32 : 751
- Sillen , L. G. and Nylander , A.-L. 1941 . Svensk kem. Tidskr. , 53 : 367
- Starick , D. , Schwarz , L. , Krah , H. and Herzog , G. GDR Patent 226 900 . 1984 .
- Starick , D. and Herzog , G. 1985 . Thermochim. Acta , 92 : 473
- Von Seggern , H. , Voigt , T. , Knupfer , W. and Lange , G. 1988 . J. appl. Phys. , 64 : 1405
- Wright , J. 1981 . Modern Fluorescence Spectroscopy , Edited by: Wehry , E. L. 51 New York : Plenum .
- Wybourne , B. G. 1965 . Spectroscopic Properties of Rare Earths , New York : Interscience . chap. 6