:

  •  
                                                          

    ( . 1913)

    ( . 1913)

    . " " (. 1-2, 1948-52), " " (1955), " !..." (1976) , . " " (1961). " . . " (1984). " " (1986-89). .

    1912-13 . 1- (9.10.1912-30.5.1913) - (
    1521
    " " (American Telephone and Telegraph)
    (Brocard) (1836-1900)
    -
    :