Meirmans, PW. (2005), Using the AMOVA framework to
estimate a standardized genetic differentiation measure.
Evolution 60: 2399-402. Excoffier, L., Smouse, P., Quattro, J. (1992), Analysis
of molecular variance inferred from metric distances
among DNA haplotypes: application to human mitochondrial
DNA restriction data. Genetics 131: 479-91