Jarrige, J.-F., A. Didier, and G. Quivron, (2011). "Shahr-i Sokhta and the Chronology of the Indo-Iranian Borderlands", in Paléorient 37 (2), p. 17: "...We agree with the links, which we ourselves often observed, between Shahr-i Sokhta I, II and III and Mundigak III and IV and between the sites of Balochistan and the Indus valley at the end of the 4th millennium and in the first half of the 3rd millennium BC..."