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Geology of Western Quruq Tagh, Eastern T'ien-shan, by Erik Norin ... [Introductory Note by Sven Hedin.].

出版	Bokförlags aktiebolaget Thule, 1937
URL	http://books.google.com.hk/books?id=6z14QwAACAAJ&hl=&source=gbs_api