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Memorandum Relative to the Improvement of the Hwang-ho Or Yellow River in North-China

Johannes Gerardus Wybo Fijnje van Salverda

出版	M. Nijhoff, 1891
URL	http://books.google.com.hk/books?id=6T9DAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN