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Proceedings of the Eighth American Scientific Congress Held in Washington May 10-18, 1940, Under the Auspices of the Government of the United States of America ...

Paul Henry Oehser

出版	Department of State, 1941
URL	http://books.google.com.hk/books?id=hvcQAAAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN