How did the various dialect and languages originate from proto-indo

From: Milos Bogdanovic
Message: 35382
Date: 2004-12-07

How did the various dialect and languages originate from proto-indo-european language?

http://www.angelfire.com/film/materija/genlang.pdf   1,368 Mb

S5.2 CORRELATION BETWEEN GENETIC ORIGIN OF POPULATION AND ITS LINGUISTIC PECULIARITIES
Milos Bogdanović, Marija Bogdanović, Lidija Ćuk Jovanović, Mirjana Sovilj

Neuropsychiatric Disorders Institute “Dr Laza Lazarevic”, Belgrade, Serbia and Montenegro
The Institute for Experimental phonetics and Speech Pathology, Belgrade, Serbia and Montenegro