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121
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123by Grant, John, 1957-Subjects “...Ionospheric radio wave absorption....”
Published 1996
Thesis Book -
124
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126
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127Wireless 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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