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Google圖書搜尋
An Empirical Study of the Expressions "true," "perfectly Certain" and "extremely Probable."
Arne Næss
出版
I kommisjon hos J. Dybwad
, 1953
URL
http://books.google.com.hk/books?id=fnsF6rXU-mIC&hl=&source=gbs_api