Frost, G. L. (2010). Early FM radio: Incremental technology in twentieth-century America. Johns Hopkins University Press.
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Chicago-čujuhus (17. p.)
Frost, Gary Lewis. Early FM Radio: Incremental Technology in Twentieth-century America. Baltimore: Johns Hopkins University Press, 2010.
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MLA-čujuhus (9. p.)
Frost, Gary Lewis. Early FM Radio: Incremental Technology in Twentieth-century America. Johns Hopkins University Press, 2010.
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