The second half of this book is in English:
A.S. Güneri, Erzurum-I Son Tunç Erken Demir Çağı Yerleşmeleri / Late Bronze Early Iron Age Settlements, 2008
CHAPTER II Late Karaz Period Settlements of Karaz, Pulur Güzelova and Sos Höyük
CHAPTER III Sos Höyük Excavations 1987 and Surveys in Northeastern Anatolia
CHAPTER IV On the Problems of the Late Karaz Culture Period Settlements at Sos Höyük
https://www.academia.edu/1630176/
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