References
- Anderson , P. W. 1987 . Science , 235 : 1196
- Genzel , L. , Wittin , A. , Bauer , M. , Cardona , M. , Schönherr , E. and Simon , A. 1989 . Phys Rev. , B40 : 2170
- Güttler , B. , Salje , E. , Freeman , P. , Blunt , J. , Harris , M. , Duffield , T. , Ager , C. D. and Hughes , H. P. 1990 . Phys. Rev. , B (submitted)
- Güttler , B. , Salje , E. and Putnis , A. 1989 . Phys Chem. Minerals , 16 : 365
- Harris , M. J. , Salje , E. , Güttler , B. and Carpenter , M. A. 1989 . Phys. Chem. Minerals , 16 : 649
- Klein , M. V. , Cooper , S. L. , Slakey , F. , Rice , J. P. , Bukowski , E. D. and Ginsberg. , D. M. 1989 . Springer Series in Solid-state Sciences , Vol. 89 : 226 (Berlin: Springer)
- Klein , U. and Schwabl , F. 1981 . Physica B , 106 : 227
- Loram , J. W. and Mirza , K. A. 1990 . International Winterschoole Kirschberg in Electronic Properties of High Tc Superconductors and Related Compounds , (Berlin: Springer) (in the press)
- Lynden-Bell , R. M. , Ferrario , M. , McDonald , I. R. and Salje , E. 1989 . J. Phys. Condens. Matter , 1 : 6523
- Mott , N. F. 1990 . Adv. Phys. , 39 : 55
- Pradhan , M. M. , Gark , R. K. and Arora , M. 1989 . Infrared Phys. , 29 : 787
- Reuker , B. , Gompf , F. , Gering , E. , Roth , G. , Reichardt , W. , Ewert , D. and Rietschel , H. 1988 . Proceedings of the International Conference on High Temperature Superconductors and Materials and Mechanisms of Superconductivity, Interlaken , : 272
- Rhyne , J. J. , Neumann , D. A. , Gotaas , J. A. , Beech , F. , Toth , L. , Lawrence , S. , Wolf , S. , Osofsky , M. and Gubser , D. U. 1989 . Phys. Rev. , B36 : 2294
- Salje , E. 1990 . Phase Transitions in Ferroelastic and Co-elastic Crystals , (Cambridge University Press) (in the press)
- Salje , E. , Wruck , B. and Thomas , H. 1990 . Z. Phys. , (submitted)
- Salje , E. and Devarajan , V. 1986 . Phase Transitions , 6 : 235
- Salje , E. , Kuscholke , B. , Wruck , B. and Kroll , H. 1985 . Phys. Chem. Minerals , 12 : 99
- Slakey , F. , Klein , M. V. , Rice , J. P. and Ginsberg , D. M. 1989 . Physica , C162 : 1095
- Tallani , C. , Zamboni , R. and Licci , F. 1989 . Solid St. Commun. , 64 : 911
- Triscone , G. , Junod , A. and Müller , J. 1989 . Physica , 470 : C162 – 164 .