Migrate estimates effective population sizes and past migration rates between
two or "n" populations assuming a migration matrix model with asymmetric
migration rates and different subpopulation sizes.  The n-population migrate
can use sequence data, microsatellite data or electrophoretic data.

Author: Peter Beerli <beerli@scs.fsu.edu>
WWW:    http://popgen.scs.fsu.edu/Migrate-n.html