Menzel, D. H. (1948). Elementary manual of radio propagation. New York : Prentice-Hall.
Dyfyniad Arddull ChicagoMenzel, Donald Howard. Elementary Manual of Radio Propagation. New York : Prentice-Hall, 1948.
Dyfyniad MLAMenzel, Donald Howard. Elementary Manual of Radio Propagation. New York : Prentice-Hall, 1948.
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