https://doi.org/10.1103/PhysRevLett.70.2051.2 (Supplementary material)
Eisenriegler, E., Krech, M., & Dietrich, S. (1993). Absence of hyperuniversality in critical films. Physical Review Letters, 70(5), 619-622. doi:10.1103/PhysRevLett.70.619.