:

  •  
                                                          

    (Lidman) ( . 1923)

    (Lidman) ( . 1923)

    . , . . " " (1955), . (" ", 1977; " ", 1979; " ", 1985, .). . " " (1961). , .

    (1916-91)
    (Wiesel) ( . 1928)
    ()
    ( . biome)
    (1850-1921)
    :