Physica A: Statistical Mechanics and its Applications
Physica A: Statistical Mechanics and its Applications > 2011 > 390 > 2 > 359-364
Physica A: Statistical Mechanics and its Applications > 2011 > 390 > 21-22 > 3727-3731
Physica A: Statistical Mechanics and its Applications > 2011 > 390 > 21-22 > 3876-3887