M. Gonzalez, H. Herrmann, and A. Araujo. PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 356 (1):
100-106(2005)14th Conference on Nonequilibrium Statistical Mechanics and Nonlinear
Physics (MEDYFINOL 04), La Serena, CHILE, DEC 06-10, 2004.
R. Alonso, A. Ayala, A. Garcia, and J. Eiras. PHYSICA B-CONDENSED MATTER, 389 (1):
107-110(2007)35th International Workshop of Hyperfine Interactions at La Plata and
Humboldt Kolleg on Soild State, La Plata, ARGENTINA, NOV 07-10, 2005.