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International Hydrological Programme (IHP)
International Hydrological Programme. Intergovernmental Council
其他書名
Ninth Session of the Intergovernmental Council, Paris, 19-24 March 1990 : Final Report
出版United Nations Educational, Scientific and Cultural Organization, 1990
URLhttp://books.google.com.hk/books?id=oi4mAQAAMAAJ&hl=&source=gbs_api