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Letters of Hermann von Helmholtz to his wife, 1847-1859

Hermann von Helmholtz

出版	Franz Steiner Verlag, 1990
主題	Biography & Autobiography / Science & TechnologyScience / History
ISBN	35150558359783515055833
URL	http://books.google.com.hk/books?id=WbjaAAAAMAAJ&hl=&source=gbs_api

註釋

Text in German; introductory matter and notes in English.