The age and origin of Karez systems of Silk Road oases around Turpan, Xinjiang, P.R. of China - Mächtle, Bertil; Hecht, Stefan; Manke, Nicola; Kromer, Bernd; Lindauer, Susanne; Li, Chengsen; Wang, Xiaofei; Bubenzer, Olaf (Socio-environmental dynamics along the historical silk road, 2019)