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1.3.

(1.6) (1.7) , . :

- ,

(1.8) (1.10), ,

. (1.6) (1.7)

. , ( , , . , , ( ), ,

    (1.14)

- , , . [Smith, 1968; Jonscher, 1960]. [Van Roosbroeck, 1955].

( , , ), . 1.5.3.

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