by Bo Sommarström ; together with the catalogue prepared by Folke Bergman ; pt. 1, pt. 2. -- Statens etnografiska museum, 1956-1958. -- (Reports from the Scientific Expedition to the North-Western Provinces of China under the leadership of Dr. Sven Hedin : the Sino-Swedish Expedition ; publication 39, 41 . VII. Archaeology ; 8-9).