:

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    ( 50 ):



    ()


    (1912-78)







    (Slupsk)






    (1919-86)
    (Sluckis) ( . 1928)

    ( )

    ( )
    (
    (1837-1904)

    - (Slanic Moldova)
    () (Slater) (1900-76)






    ()
    (1907-87)
    (Sluter) (1349-1406)
    ( . slab
    ( . slabbing)

    -





    ( . Smalte)

    ( . aridus - )

    ( . 1918)
    ( . Beryllium)
    ( . 1928)
    :