3
H. Wright in R.J. Braidwood, B. Howe, Prehistoric Investigations in Iraqi Kurdistan, SAOC no. 31, Chicago, 1960. P. 71–97.
4
H.R. Cohen, Öğüz Erol, “Aspects of the Palaeogeography of Central Anatolia”, The Geographical Journal. 135 (3). September. 1969. P. 388–398.
5
S. Lloyd, J. Mellaart, Beycesultan II, London, 1965.
6
R.S. Young, “The Gordion Campaign of 1957: Preliminary Report”, AJA 62. 1958. P. 139–154.
7
B.B. Piotrovskii, The Aeneolothic Culture of Transcaucasia in the Third Millennium BC, Sixth International Congress of Prehistoric and Protohistoric Sciences, Reports, Moscow, 1962.