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. (Fisher, 1936), . (Tatsuoka and Tiedeman, 1954). , , (Klecka, 1973), (Kornberg and Frasure, 1971; Heyck and Klecka, 1973) (Eisenstein and Jacob, 1977). . , . (Klecka, 1974).

, . , (Bardes, 1975; 1976). 1953 1972 . , , , , . , , .

, ( , ) . Congressional Quarterly, , , . , , , , .

10 . -, , , , . , . , . . , , -. , , , . . , , . , , , .

1955-1956 . , , 19 , . . ():

, :

. CUTAID, , 10 . , , 1. 2 3 , . . 1 . , 1 ( ) , ( CUTA-ID= 1,422), 2 ( ) ( CUTAID = 3,0), .

1.

, , . . , 81 .

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