A bronze age dating, West Asian origin of Indo-Europeans' migrations into Europe
Hi, please take a look at the article below; personally I look very sceptikally (I now think that Indo-Europeans were present in Europe since the neolithic and they originated in the Balkans and the West Asian admixture is due to drift)
http://dienekes.blogspot.com/2012/07/bronze-age-indo-european-invasion-of.html
Best Regards