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21
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22
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23
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24Published 1966Subjects “...Ionospheric radio wave propagation Congresses....”
Conference Proceeding Book -
25Published 1961Subjects “...Ionospheric radio wave propagation Observations....”
Book -
26Published 1962SubjectsConference Proceeding Book
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27
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28Published 1957Subjects “...Ionospheric radio wave propagation Atlases....”
Book -
29
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30by Jongens, SjoerdSubjects “...Ionospheric radio wave propagation Measurement....”
Published 1988
Book -
31Published 1968Subjects “...Ionospheric radio wave propagation....”
Conference Proceeding Book -
32
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33
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34Published 1969Subjects “...Ionospheric radio wave propagation Congresses....”
Book -
35
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36
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37
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38Wireless and empire : geopolitics, radio industry, and ionosphere in the British Empire, 1918-1939 /by Anduaga, AitorSubjects “...Ionospheric radio wave propagation Research Government policy Great Britain History 20th century....”
Published 2009
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