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Google圖書搜尋
Petrography B̀y Karl Hermann Scheumann Ànd Others
Karl Hermann Scheumann
出版
Office of Military Government for Germany, Field Information Agencies Technical, British, French, U.S.
, 1948
URL
http://books.google.com.hk/books?id=hpUKtAEACAAJ&hl=&source=gbs_api