Matches in Library of Congress for { <http://lccn.loc.gov/77604203> ?p ?o. }
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- 77604203 contributor B3218255.
- 77604203 contributor B3218256.
- 77604203 created "[1969]".
- 77604203 date "1969".
- 77604203 date "[1969]".
- 77604203 dateCopyrighted "[1969]".
- 77604203 description "Includes bibliographies.".
- 77604203 extent "ix, 126 p.".
- 77604203 isPartOf "NASA contractor report ; NASA CR-1442.".
- 77604203 isPartOf "NASA contractor report, NASA CR-1442".
- 77604203 issued "1969".
- 77604203 issued "[1969]".
- 77604203 language "eng".
- 77604203 publisher "Washington] National Aeronautics and Space Administration; for sale by the Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.".
- 77604203 spatial "United States.".
- 77604203 subject "621.38".
- 77604203 subject "Electromagnetic waves.".
- 77604203 subject "Ionospheric radio wave propagation.".
- 77604203 subject "Microwave communication systems United States.".
- 77604203 subject "TL521.3.C6 A3 no. 1442".
- 77604203 title "A study of 2 GHz electromagnetic wave propagation over optical paths in three geographical regions of the United States, by J. O. Hebert [and others.".
- 77604203 type "text".