References
- Anderson , P. W. , Halperin , B. and Varma , C. M. 1972 . Phil. Mag. , 25 : 1
- Andonov , P. 1982 . J. non-crystalline Solids , 47 : 297
- Avogadro , A. , Aldrovandi , S. and Borsa , F. 1986 . Phys. Rev. B , 33 : 5637
- Buchenau , U. , Nücker , N. and Dianoux , A. J. 1984 . Phys. Rev. Lett. , 53 : 2316
- Carini , G. , Cutroni , M. , Federico , M. and Galli , G. 1984 . J. non-crystalline Solids , 64 : 317
- Hunklinger , S. 1981 . “ Topics in Current Physics ” . In Amorphous Solids—Low Temperature Properties , Edited by: Phillips , W. A. Vol. 24 , 81 Berlin : Springer-Verlag . and references therein, And
- Karpov , V. G. , Klinger , M. I. and Ignatev , F. N. 1983 . Soviet Phys. JETP , 57 : 439
- Karpov , V. G. and Parshin , D. A. 1985 . Soviet Phys. JETP , 61 : 1308
- Krumhansl , J. A. 1986 . Phys. Rev. Lett. , 56 : 2696
- Lasjaunias , J. C. 1969 . C. r. hebd. Séanc. Acad. Sci., Paris B , 269 : 763
- Lawless , W. N. 1984 . Phys. Rev. B , 30 : 6057, 6555
- Orbach , R. 1986 . Science , 231 : 814 and references therein
- Phillips , W. A. 1972 . J. low Temp. Phys. , 7 : 351
- Pohl , R. O. 1981 . “ Topics in Current Physics ” . In Amorphous Solids—Low Temperature Properties , Edited by: Phillips , W. A. Vol. 24 , Berlin : Springer-Verlag . and references therein
- Rosenberg , H. M. 1985 . Phys. Rev. Lett. , 54 : 704
- Schottmiller , J. , Tabak , M. , Lucovsky , G. and Ward , A. 1970 . J. non-crystalline Solids , 4 : 80
- Villar , R. , Gmelin , E. and Grimm , H. 1986 . Ferroelectrics , 69 : 165