"Proposal to Office of Naval Research for the Continuation of Contract Nonr 401 (27), July 1, 1963 to June 30, 1964", Mar. 25, 1963

"Proposal to Office of Naval Research for the Continuation of Contract Nonr 401 (27), July 1, 1963 to June 30, 1964", Mar. 25, 1963, Box: 1, Folder: 7. 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/254524 Accessed December 27, 2025.