Bethe-Ansatz results for a solvable O(n) model on the square lattice
M. T. Batchelor, B. Nienhuis, and S. O. Warnaar
Phys. Rev. Lett. 62, 2425 (1989) - Published 22 May, 1989
Phase transitions in filtered chaotic signals
P. Paoli, A. Politi, G. Broggi, M. Ravani, and R. Badii
Phys. Rev. Lett. 62, 2429 (1989) - Published 22 May, 1989