, , , () , , ; - , - . . . : , , , , ( )  . . . . : (. 1), (. 2) 3 . . ., , , . ( ) , ( ) - .

.: . ., , . ., . 1, ., 1965; Jones . W., Concerning hybrids, "Microwave Journal", 1961, v. 4, ? 10, p. 98-104.

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: