[1] Mallik R., et al., "Europhys" , Lett. 41(3) (1998) pp.315-320
2 Baberschke K., Bachor B., "Physica B" 21(1980) 266
[3] Freeman A. J., "Physica B" (1985) 1
[4] Sun H., et al., phys J.,"Condenced Matter", 2 (1990) 6465.
[5] Harris I. R., Less J.,"Common Metal", 131(1987) 245.
[6] Still L. R., Bigger R. R, J.Appl.Phys. 49 (1978) 1500
[7] Yakinthos J. K., et al., "J.M.M.M." ,8 (1978) 308.
[8] Gamari-Seale H., Bredimas V., "J.M.M.M.", 36(1983) 131.
[9] Boschow K. H. J.,"Less Common Metal", 43(1975) 55.
[10] Oesterreicher H. H., "Phys. Stat. Sol (a)", 39 (1977) K91.
[11] Yazdani A., "J.M.M.M.", 90(1990) 563.
[12] Yazdani A., Ramazani A., "J.Sci.I.R. Iran", 9 (1998) 273.
[13] Vaezzadeh M., Yazdani A., "20th Conference Condensed Matter Division", EPS (2004) 237 Prague.
[14] Yazdani A., "Rajaie Khorassani", Physica B 281 (2000) 178.
[15] Rubio Temprano, et al., "J.M.M.M.", 196(1999) 770.
[16] M. Vaezzadeh, A. Yazdani, Ma. Vaezzadeh, G. Daneshmand, Kanzeghi A., to be published in Physica B.
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