Martin P, Potts models and related problems in statistical mechanics (WSPC, 1991) – google
Wu F Y, The Potts model, RMP 54, 235 (1982)
Bhanot G, Creutz M, Glassner U, Horvath I, Lacki J, Schilling K, Weckel J, Low temperature expansions for Potts models, PRB 48, 6183 (1993)