Formula for doping and Temperature-dependent mobility model

In the Material database, the T and doping dependent mobility model. The parameters are

mu_max_n, mu_min_n, N_g_n, gamma_n, alpha_n, beta_n, mu_max_p, mu_min_p, N_g_p, gamma_p, alpha_p, beta_p

which are

${\mu }_{n,max},{\mu }_{n,min},N_g,{\gamma }_n,{\alpha }_n,{\beta }_n,{\mu }_{p,max},{\mu }_{p,min},N_g,{\gamma }_p,{\alpha }_p,{\beta }_p$