Phys. Rev. Lett., Vol. 100, No. 24. (2008), pp. 246402-246402.
arXiv:0707.1265
in preparation
Physica B, Vol. 320 (2002)
Europhys. Lett., Vol. 14 (1991)
Phys. Rev. B, Vol. 58, No. 20. (15 November 1998), pp. 13506-13506.
Europ. Phys. J. B, Vol. 13, No. 1. (19 January 2000), pp. 87-97.
Journal of Physics and Chemistry of Solids, Vol. 59, No. 10-12. (11 October 1998), pp. 1694-1698.
Phys. Rev. Lett., Vol. 67, No. 2. (July 1991), pp. 259-259.
Phys. Rev. B, Vol. 54, No. 17. (1 November 1996), pp. 12443-12443.
Phys. Rev. B, Vol. 64, No. 23. (3 December 2001), pp. 235128-235128.
Phys. Rev. B, Vol. 64, No. 23. (3 December 2001), pp. 235127-235127.
Europhys. Lett., Vol. 57, No. 5. (2002), pp. 704-704.
Phys. Rev. Lett., Vol. 43, No. 26. (Dec 1979), pp. 1957-1960.
Phys. Rev. B, Vol. 30, No. 2. (Jul 1984), pp. 527-543.
Phys. Rev. B, Vol. 37, No. 1. (Jan 1988), pp. 537-540.
Phys. Rev. B, Vol. 57, No. 16. (Apr 1998), pp. R9381-R9384.
Phys. Rev. B, Vol. 73, No. 24. (2006)
Phys. Rev. B, Vol. 75, No. 19. (2007)
Phys. Rev. Lett., Vol. 75 (1995)
Phys. Rev. Lett., Vol. 69 (1992)
Phys. Rev. Lett., Vol. 67 (1991)