G. R. Stewart, 1984, Rev. Mod. Phys., 56, 755, 10.1103/RevModPhys.56.755
P. A. Lee, 1986, Comments Condens. Matter Phys., 12, 99
S. Horn, 1981, Phys. Rev. B, 23, 3171, 10.1103/PhysRevB.23.3171
S. M. Shapiro, 1985, J. Magn. Magn. Mater., 52, 418, 10.1016/0304-8853(85)90320-8
P. W. Anderson, 1961, Phys. Rev., 124, 41, 10.1103/PhysRev.124.41
N. E. Bickers, 1985, Phys. Rev. Lett., 54, 230, 10.1103/PhysRevLett.54.230
C. L. Lin, 1987, Phys. Rev. Lett., 58, 1232, 10.1103/PhysRevLett.58.1232
W. R. Scott, 1964, J. Appl. Phys., 35, 1092, 10.1063/1.1713392
C. A. Luengo, 1972, Low Temperature Physics, LT-13
B. Frick, 1982, Solid State Commun., 42, 331, 10.1016/0038-1098(82)90148-X
J.-S. Kang, 1987, Phys. Rev. Lett., 59, 493, 10.1103/PhysRevLett.59.493
F. Gerken, 1983, J. Phys. F, 13, 1571, 10.1088/0305-4608/13/7/026
K. R. Lea, 1962, J. Phys. Chem. Solids., 23, 1381, 10.1016/0022-3697(62)90192-0
U. Walter, 1981, Z. Phys. B, 45, 107, 10.1007/BF01293323
R. M. Galera, 1981, J. Magn. Magn. Mater., 23, 217, 10.1016/0304-8853(81)90054-8
R. Felten, 1986, Europhys. Lett., 2, 323, 10.1209/0295-5075/2/4/010
J. L. Buyers, 1980, Physica (Amsterdam), 102B, 291, 10.1016/0378-4363(80)90176-X
J. R. Schrieffer, 1966, Phys. Rev., 129, 491, 10.1103/PhysRev.149.491
A. Muramatsu, 1986, Phys. Rev. Lett., 57, 2337, 10.1103/PhysRevLett.57.2337
P. Wiegmann, 1983, JETP Lett., 38, 591
N. Andrei, 1985, Phys. Rev. Lett., 52, 364, 10.1103/PhysRevLett.52.364
H. U. Desgranges, 1985, J. Phys. C, 18, 5481, 10.1088/0022-3719/18/28/017
N. E. Bickers, 1987, Phys. Rev. B, 36, 2036, 10.1103/PhysRevB.36.2036
D. L. Cox, 1987, Phys. Rev. B, 35, 4561, 10.1103/PhysRevB.35.4561
E. Müller-Hartmann, 1984, Z. Phys. B, 57, 281, 10.1007/BF01470417
K. G. Wilson, 1975, Rev. Mod. Phys., 47, 773, 10.1103/RevModPhys.47.773
Y. Yafet, 1985, Phys. Rev. B, 32, 3260, 10.1103/PhysRevB.32.360
A. C. Nunes, 1985, J. Phys. C, 18, L873, 10.1088/0022-3719/18/27/006
N. Read, 1986, J. Phys. C, 19, 1597, 10.1088/0022-3719/19/10/014
S. L. Cooper, 1987, Phys. Rev. B, 35, 2615, 10.1103/PhysRevB.35.2615
P. Fulde, 1978, Handbook of the Physics and Chemistry of the Rare Earths
B. Batlogg, 1987, J. Magn. Magn. Mater., 63&64, 441, 10.1016/0304-8853(87)90632-9
R. H. Heffner, 1986, Phys. Rev. Lett., 57, 1255, 10.1103/PhysRevLett.57.1255
C. Stassis, 1986, Phys. Rev. B, 34, 4382, 10.1103/PhysRevB.34.4382
D. E. MacLaughlin, 1984, Phys. Rev. Lett., 53, 1833, 10.1103/PhysRevLett.53.1833
