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(Sachs) ( ) (29 1918, . . , - . - 5 1998), , (1964), (1967).

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(Sachs), .

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, , 1917 22.

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(Sanders) () (1 1755, 1 1836, .-), , - (1830).

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- ( 191424 , 192491 ). .

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- έȭŭ ӭ­ ŭ, . .

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- ŭέȭŭ ǭ. .

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- ( , . , , , ) (24 1841, . . 25 1913, ), (), , .

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- ( , . , , , ) (24 1841, . . 25 1913, ), (), ,

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, .

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