1. V. Privman and G. Forgacs,J. Phys. A 20:L543 (1987).
2. B. Derrida and J. P. Nadal,J. Phys. Lett. (Paris) 45:L-701 (1984).
3. V. K. Bhat, H. K. Bhan, and Y. Singh,J. Phys. A 19:3261 (1986).
4. M. E. Fisher, inCritical Phenomena (Proceedings Enrico Fermi International School of Physics, Vol. 51), M. S. Green, ed. (Academic Press, New York, 1971), pp. 1?99.
5. A. M. Szpilka and V. Privman,Phys. Rev. B 28:6613 (1983).