"Quarterly Status Report to the Office of Naval Research on the Measurement of Solar Radio Radiation at 430 Megacycles, ONR Contract Nonr 401 (27), October 1, 1963 through December 31, l963", Jan. 15, 1964

"Quarterly Status Report to the Office of Naval Research on the Measurement of Solar Radio Radiation at 430 Megacycles, ONR Contract Nonr 401 (27), October 1, 1963 through December 31, l963", Jan. 15, 1964, Box: 1, Folder: 9. Arecibo Ionospheric Observatory and Electrical Engineering reports, 16-6-3333. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/254532 Accessed December 26, 2025.