1. L. P. Kadanoffet al., Rev. Mod. Phys. 39:395 (1967).
2. M. E. Fisher,J. Appl. Phys. 38:981 (1967).
3. M. E. Fisher,Rev. Mod. Phys. 46:597 (1974).
4. M. E. Fisher,Renormalization Group Methods in Statistical Physics and Field Theory (Proc. Conference Temple University), M. S. Green and J. D. Gunton, eds. (1973).
5. P. C. Hemmer and J. L. Lebowitz, inPhase Transitions and Critical Phenomena, C. Domb and M. S. Green, eds. (Academic, New York, 1976), Vol. 5B, p. 107.