References
- Anderson , J. S. 1974 . Defects and Transport in Oxides , Edited by: Seltzer , M. S. New York : Plenum Press .
- Andersson , B. , Gjonnes , J. and Tafto , J. 1974 . Acta crystallogr. A , 30 : 216
- Chan , S. K. and Heine , V. 1973 . J. Phys. F , 3 : 795
- Clapp , P. C. and Moss , S. C. 1966 . Phys. Rev. , 142 : 418
- Cowley , J. M. 1971 . Acta crystallogr. A , 27 : 376
- Eyring , L. and O'Keeffe , M. , eds. 1970 . Chemistry of Extended Defects in Nonmetallic Solids , Amsterdam : North Holland .
- Elcock , E. W. 1956 . Order-Disorder Phenomena , London : Methuen .
- Goodenough , J. B. 1972 . Phys. Rev. B , 5 : 2764
- Honig , J. M. , Wahnseidler , W. E. , Banus , M. D. and Reed , T. B. 1970 . J. Solid St. Chem. , 2 : 74
- Matheiss , L. F. and Heine , V. 1971 . J. Phys. C , 4 : L191
- Moss , S. C. 1969 . Phys. Rev. Lett. , 22 : 1108
- Overhauser , A. W. 1971 . Phys. Rev. B , 3 : 3173
- 1968 . Phys. Rev. B , 167 : 691
- Rao , C. N. R. and Subbarao , G. V. 1974 . Transition Metal Oxides , Washington, D.C. : U.S. National Bureau of Standards . NBS-NSRDS Monograph 49
- Scruby , C. B. , Williams , P. M. and Parry , G. S. 1975 . Phil. Mag. , 31 : 255
- Tewari , S. 1972 . Solid St. Commun. , 11 : 1139
- Watanabe , D. , Terasaki , D. , Jostons , A. and Castles , J. R. 1970 . Chemistry of Extended Defects in Nonmetallic Solids , Edited by: Eyring , L. and O'Keeffe , M. Amsterdam : North Holland .
- Wilson , J. A. , Di Salvo , F. J. and Mahajan , S. 1975 . Adv. Phys. , 24 : 117