1. K. Kawasaki: inCritical phenomena, Proceedings of the International School of Physics «Enrico Fermi », edited by M. S. Green (New York, 1971), p. 342.
2. K. Kawasaki: inCritical Phenomena in Alloys, Magnets and Superconductors, edited by R. E. Mills, E. Ascher and R. I. Jaffee (New York, 1971), p. 489.
3. K. Kawasaki and S. M. Lo:Phys. Rev. Lett.,29, 48 (1972).
4. R. Perl and R. Ferrell:Phys. Rev. Lett.,29, 51 (1972).
5. R. Perl and R. Ferrell:Phys. Rev. A,6, 2358 (1972).