Physica A: Statistical Mechanics and its Applications
Physica A: Statistical Mechanics and its Applications > 1996 > 224 > 3-4 > 677-683
Physica A: Statistical Mechanics and its Applications > 1996 > 226 > 3-4 > 243-273
Physica A: Statistical Mechanics and its Applications > 1996 > 231 > 4 > 673-686