(Wentzel) (24 1857,   10 1947, ), , .

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(Hagen) (24 1895, . , .-  20 1969, ), , - (1943).

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(Hecker) (25 1888,   1 1937), .

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Ը

(Koni) Ը (28 1844, .-  17 1927, ), , , , , (1890), (1896) (1900) , (1910).

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 , (), ( ) , , , 192030- .

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