Paper on the internal classification of IE languages

Dear members of the List,

Here is the link to an informative study, which I provide for your
reading pleasure only:

http://www.phil.muni.cz/linguistica/art/blazek/bla-003.pdf
On the Internal Classification of Indo-European Languages: Survey
By Václav Blažek

> The main purpose of the present study is to confront most
> representative models of the internal classification of
> Indo-European languages and their daughter branches.

Regards,
Francesco