The Unix and DOS versions of the program that implements
Li's (1993) method can be found at
http://hgc6.sph.uth.tmc.edu:8080/bootstrap.dir/
(not "boodstrap" as I mistakenly gave in my previous message).
My appologies to the visitors from
montespan.pasteur.fr
mikew2.biols.susx.ac.uk
and 128.220.63.192
who did not reach the anounced program
Andrey