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Ninth 6-monthly Catalogue of Data in IGY World Data Center A

其他書名	Data Received by WDC-A During the Period 1 July 1957-31 December 1961
出版	IGY World Data Center A, National Academy of Sciences, 1962
URL	http://books.google.com.hk/books?id=s_lLAQAAMAAJ&hl=&source=gbs_api