MAMMaL: (M)ultinomial (A)pproximate (M)ixture (Ma)ximum (L)ikelihood Accelerated Estimation of Frequency Classes in Site-heterogeneous Profile Mixture Models
https://www.mathstat.dal.ca/~tsusko/doc/mammal.pdf
Susko, E., Lincker, L., & Roger, A. J. (2018). Accelerated Estimation of Frequency Classes in Site-Heterogeneous Profile Mixture Models. Molecular Biology and Evolution, 35(5), 1266–1283. https://doi.org/10.1093/molbev/msy026