1. There is a large amount of measurements by the group of H. Meyer at Duke University NC. Here we only cite a review paper showing the behavior of the transport coefficients (thermal conductivity, thermal diffusion ratio and mass diffusion), J. Low Temp. Phys. 70, 219 (1988)
2. H. Meyer, G. Ruppeiner, M. Ryschkewitsch, in Lecture Notes in Physics, vol. 104, ed. by Ch.P. Enz (Springer, Berlin, 1979), p. 171
3. R. Folk, G. Moser, J. Phys. A Math. Gen. 39, R207–R313 (2006)
4. D. Lawrie, S. Sarbach, in Phase Transitions and Critical Phenomena, vol. 9, ed. by C. Domb, J.L. Lebowitz (Academic, San Diego, 1984)
5. E.D. Siggia, D.R. Nelson, Phys. Rev. B 15, 1427 (1977)