登入選單
返回Google圖書搜尋
Account of the Operations of the Great Trigonometrical Survey of India: Astronomical observations for latitude made during the period 1885 to 1905 and the deduced values of the deflection of the plumb-line. (1906)
出版Printed at the Office of the Great Trigonometrical Survey, 1906
URLhttp://books.google.com.hk/books?id=b6EMG9gAnz4C&hl=&source=gbs_api