:

  •  
                                                          

    ( 50 ):

    - ( . )
    -
    - ( . -)

    - 1858
    - 1858

    - 1885
    () ( . 1540-1604)
    (1900-84)


    - (Buys Ballot) (1817-90)
    ( . boort)
    (Beniuc) ( . 1907)
    (1924-93)

    :